./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX --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 f0881add29b2e913dccd0b5d11f581533e2263693d3a446dde3d837a9a510a5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:21,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:21,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:21,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:21,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:21,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:21,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:21,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:21,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:21,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:21,228 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:21,230 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:21,230 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:21,232 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:21,232 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:21,233 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:21,233 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:21,233 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:21,234 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:21,234 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:21,235 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:21,235 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:21,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:21,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:21,237 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:21,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:21,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:21,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:21,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:21,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:21,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:21,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:21,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:21,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:21,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:21,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:21,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:21,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:21,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:21,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:21,243 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:21,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:21,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:21,244 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:21,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:21,244 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_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0881add29b2e913dccd0b5d11f581533e2263693d3a446dde3d837a9a510a5a [2023-11-12 00:08:21,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:21,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:21,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:21,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:21,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:21,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i [2023-11-12 00:08:24,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:24,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:24,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i [2023-11-12 00:08:24,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data/0439d596d/bfb1275a1ac948c09fa776ebc5f5a157/FLAG66ec63a73 [2023-11-12 00:08:24,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data/0439d596d/bfb1275a1ac948c09fa776ebc5f5a157 [2023-11-12 00:08:24,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:24,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:24,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:24,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:24,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:24,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626549c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:24, skipping insertion in model container [2023-11-12 00:08:24,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:24" (1/1) ... [2023-11-12 00:08:24,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:25,103 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_7cc54350-d422-4e84-bdd0-34a274635ecb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i[916,929] [2023-11-12 00:08:25,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:25,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:25,233 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_7cc54350-d422-4e84-bdd0-34a274635ecb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i[916,929] [2023-11-12 00:08:25,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:25,324 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:25,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25 WrapperNode [2023-11-12 00:08:25,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:25,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:25,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:25,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:25,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,430 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-11-12 00:08:25,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:25,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:25,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:25,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:25,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:25,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:25,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:25,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:25,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (1/1) ... [2023-11-12 00:08:25,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:25,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:25,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:25,755 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:25,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:26,459 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:26,910 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:26,911 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:26,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:26 BoogieIcfgContainer [2023-11-12 00:08:26,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:26,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:26,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:26,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:26,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:24" (1/3) ... [2023-11-12 00:08:26,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3efc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:26, skipping insertion in model container [2023-11-12 00:08:26,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:25" (2/3) ... [2023-11-12 00:08:26,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3efc45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:26, skipping insertion in model container [2023-11-12 00:08:26,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:26" (3/3) ... [2023-11-12 00:08:26,927 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-22.i [2023-11-12 00:08:26,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:26,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:27,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:27,021 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;@4dd94c50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:27,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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) [2023-11-12 00:08:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-12 00:08:27,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:27,046 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] [2023-11-12 00:08:27,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:27,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:27,052 INFO L85 PathProgramCache]: Analyzing trace with hash 775639151, now seen corresponding path program 1 times [2023-11-12 00:08:27,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:27,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941904997] [2023-11-12 00:08:27,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:27,363 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:27,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329305758] [2023-11-12 00:08:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:27,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:27,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:27,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:27,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:27,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:28,527 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:28,530 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:28,531 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:28,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:28,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:08:28,751 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:28,757 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:28,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:28 BoogieIcfgContainer [2023-11-12 00:08:28,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:28,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:28,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:28,960 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:28,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:26" (3/4) ... [2023-11-12 00:08:28,963 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:28,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:28,967 INFO L158 Benchmark]: Toolchain (without parser) took 4072.02ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 100.1MB in the beginning and 118.8MB in the end (delta: -18.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:28,968 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:28,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.06ms. Allocated memory is still 146.8MB. Free memory was 100.1MB in the beginning and 82.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:08:28,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.65ms. Allocated memory is still 146.8MB. Free memory was 82.6MB in the beginning and 115.8MB in the end (delta: -33.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:08:28,979 INFO L158 Benchmark]: Boogie Preprocessor took 96.69ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 113.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:28,981 INFO L158 Benchmark]: RCFGBuilder took 1384.15ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 82.2MB in the end (delta: 31.2MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2023-11-12 00:08:28,982 INFO L158 Benchmark]: TraceAbstraction took 2041.89ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 81.1MB in the beginning and 118.8MB in the end (delta: -37.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-12 00:08:28,983 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 180.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:28,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.06ms. Allocated memory is still 146.8MB. Free memory was 100.1MB in the beginning and 82.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.65ms. Allocated memory is still 146.8MB. Free memory was 82.6MB in the beginning and 115.8MB in the end (delta: -33.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.69ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 113.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1384.15ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 82.2MB in the end (delta: 31.2MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2041.89ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 81.1MB in the beginning and 118.8MB in the end (delta: -37.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 180.4MB. Free memory is still 118.8MB. 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 82, overapproximation of bitwiseOr at line 79, overapproximation of shiftLeft at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed short int var_1_6 = -1; [L24] unsigned char var_1_7 = 1; [L25] unsigned char var_1_8 = 1; [L26] signed char var_1_9 = -128; [L27] signed char var_1_12 = 10; [L28] signed char var_1_13 = -64; [L29] signed char var_1_14 = 1; [L30] signed char var_1_15 = -25; [L31] unsigned short int var_1_16 = 256; [L32] signed char var_1_18 = 4; [L33] float var_1_19 = 100.5; [L34] float var_1_20 = 4.5; [L35] signed char var_1_21 = 0; [L36] signed char var_1_22 = 64; [L37] signed char var_1_23 = 2; [L38] signed char var_1_24 = 4; [L39] unsigned long int var_1_25 = 8; [L40] unsigned char var_1_27 = 50; [L41] unsigned char var_1_28 = 5; [L42] signed short int var_1_29 = 32; [L43] signed long int var_1_30 = 1; [L44] signed long int var_1_31 = 0; [L45] unsigned char var_1_33 = 2; [L46] unsigned char var_1_34 = 128; [L47] unsigned char var_1_35 = 2; [L48] unsigned char var_1_36 = 200; [L49] unsigned char var_1_37 = 32; [L50] double var_1_38 = 10.3; [L51] signed short int var_1_39 = -256; [L52] signed short int last_1_var_1_6 = -1; [L53] signed char last_1_var_1_9 = -128; [L54] unsigned short int last_1_var_1_16 = 256; [L55] signed char last_1_var_1_18 = 4; [L56] float last_1_var_1_19 = 100.5; [L57] unsigned long int last_1_var_1_25 = 8; [L58] unsigned char last_1_var_1_27 = 50; [L59] signed short int last_1_var_1_29 = 32; [L60] unsigned char last_1_var_1_33 = 2; [L61] unsigned char last_1_var_1_35 = 2; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] CALL updateLastVariables() [L192] last_1_var_1_6 = var_1_6 [L193] last_1_var_1_9 = var_1_9 [L194] last_1_var_1_16 = var_1_16 [L195] last_1_var_1_18 = var_1_18 [L196] last_1_var_1_19 = var_1_19 [L197] last_1_var_1_25 = var_1_25 [L198] last_1_var_1_27 = var_1_27 [L199] last_1_var_1_29 = var_1_29 [L200] last_1_var_1_33 = var_1_33 [L201] last_1_var_1_35 = var_1_35 [L211] RET updateLastVariables() [L212] CALL updateVariables() [L143] var_1_7 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_8=1, var_1_9=-128] [L145] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=1, var_1_9=-128] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=1, var_1_9=-128] [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=10, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L149] var_1_12 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L151] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=-64, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L152] var_1_13 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L154] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=1, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L155] var_1_14 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L157] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=-25, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L160] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=9/2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L161] var_1_20 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=64, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L163] var_1_22 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_22 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_22 >= -1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L165] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=2, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L166] var_1_23 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L168] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=4, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L169] var_1_24 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L171] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=5, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L172] var_1_28 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L174] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L175] var_1_30 = __VERIFIER_nondet_long() [L176] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L177] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=0, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L178] var_1_31 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L180] CALL assume_abort_if_not(var_1_31 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_31 <= 1) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=128, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L181] var_1_34 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_34 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_34 >= 127) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L183] CALL assume_abort_if_not(var_1_34 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=200, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L184] var_1_36 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_36 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_36 >= 190) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L186] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=32, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L187] var_1_37 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_37 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_37 >= 31) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L189] CALL assume_abort_if_not(var_1_37 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_37 <= 63) VAL [isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=256, var_1_18=4, var_1_19=201/2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=50, var_1_28=1, var_1_29=32, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=2, var_1_36=190, var_1_37=31, var_1_38=103/10, var_1_39=-256, var_1_6=-1, var_1_7=0, var_1_8=0, var_1_9=-128] [L212] RET updateVariables() [L213] CALL step() [L65] signed long int stepLocal_4 = last_1_var_1_9; [L66] signed long int stepLocal_3 = var_1_24 % var_1_34; [L67] COND FALSE !(last_1_var_1_16 <= stepLocal_4) [L70] COND FALSE !(stepLocal_3 >= last_1_var_1_27) [L78] signed long int stepLocal_0 = 50 * last_1_var_1_29; [L79] EXPR last_1_var_1_16 | last_1_var_1_9 [L79] COND FALSE !((last_1_var_1_16 | last_1_var_1_9) >= stepLocal_0) [L82] COND TRUE (last_1_var_1_19 + last_1_var_1_19) > 200.875f [L83] COND TRUE last_1_var_1_25 > last_1_var_1_18 [L84] var_1_9 = ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))) [L89] var_1_19 = var_1_20 [L90] var_1_21 = ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24))))) [L91] var_1_27 = ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28) [L92] var_1_38 = var_1_20 [L93] var_1_39 = 128 [L94] COND FALSE !(\read(var_1_7)) [L101] var_1_16 = var_1_9 [L103] unsigned char stepLocal_2 = var_1_7; [L104] COND TRUE var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19))) [L105] COND FALSE !((! (var_1_27 < var_1_27)) && stepLocal_2) [L111] signed long int stepLocal_5 = var_1_30 + var_1_39; [L112] COND TRUE (var_1_25 - last_1_var_1_35) <= stepLocal_5 [L113] COND FALSE !(\read(var_1_7)) [L116] var_1_35 = ((var_1_36 - (var_1_37 - var_1_30)) - ((((var_1_28) < (var_1_24)) ? (var_1_28) : (var_1_24)))) [L119] unsigned short int stepLocal_1 = var_1_1; [L120] COND TRUE stepLocal_1 <= var_1_35 [L121] var_1_18 = (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14) [L125] EXPR var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31))) [L125] COND TRUE (var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18 [L126] COND TRUE var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23))) [L127] var_1_29 = (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))) [L132] COND FALSE !(var_1_21 > var_1_29) [L135] COND FALSE !(var_1_7 && var_1_8) [L138] var_1_6 = -2 [L213] RET step() [L214] CALL, EXPR property() [L204] EXPR last_1_var_1_16 | last_1_var_1_9 [L204] EXPR (((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30)))) [L204-L205] return (((((((((((((((last_1_var_1_16 | last_1_var_1_9) >= (50 * last_1_var_1_29)) ? (var_1_1 == ((unsigned short int) ((((last_1_var_1_9) < (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33))))) ? (last_1_var_1_9) : (((((last_1_var_1_16) > (last_1_var_1_33)) ? (last_1_var_1_16) : (last_1_var_1_33)))))))) : 1) && ((var_1_21 > var_1_29) ? (var_1_6 == ((signed short int) (var_1_21 - last_1_var_1_6))) : ((var_1_7 && var_1_8) ? (var_1_6 == ((signed short int) last_1_var_1_6)) : (var_1_6 == ((signed short int) -2))))) && (((last_1_var_1_19 + last_1_var_1_19) > 200.875f) ? ((last_1_var_1_25 > last_1_var_1_18) ? (var_1_9 == ((signed char) ((((var_1_12) > (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) ? (var_1_12) : (((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15))))))))) : (var_1_9 == ((signed char) ((((((((-32) < (100)) ? (-32) : (100)))) > (var_1_13)) ? (((((-32) < (100)) ? (-32) : (100)))) : (var_1_13)))))) : 1)) && (var_1_7 ? ((! var_1_8) ? (var_1_16 == ((unsigned short int) ((((var_1_27 + var_1_27) < 0 ) ? -(var_1_27 + var_1_27) : (var_1_27 + var_1_27))))) : (var_1_16 == ((unsigned short int) var_1_33))) : (var_1_16 == ((unsigned short int) var_1_9)))) && ((var_1_1 <= var_1_35) ? (var_1_18 == ((signed char) (((((((((4) < 0 ) ? -(4) : (4)))) < (var_1_15)) ? (((((4) < 0 ) ? -(4) : (4)))) : (var_1_15))) + var_1_14))) : (var_1_18 == ((signed char) var_1_13)))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((signed char) ((((var_1_12) < ((var_1_22 - (var_1_23 + var_1_24)))) ? (var_1_12) : ((var_1_22 - (var_1_23 + var_1_24)))))))) && ((var_1_38 <= ((((var_1_38) > (var_1_19)) ? (var_1_38) : (var_1_19)))) ? (((! (var_1_27 < var_1_27)) && var_1_7) ? (var_1_25 == ((unsigned long int) var_1_1)) : 1) : (var_1_25 == ((unsigned long int) 2u)))) && (var_1_27 == ((unsigned char) ((((((var_1_24 + 50)) > (var_1_23)) ? ((var_1_24 + 50)) : (var_1_23))) + var_1_28)))) && (((var_1_35 << ((((var_1_30) > (var_1_31)) ? (var_1_30) : (var_1_31)))) >= var_1_18) ? ((var_1_35 != ((((-64) > (var_1_23)) ? (-64) : (var_1_23)))) ? (var_1_29 == ((signed short int) (((((50 + var_1_23) - var_1_33) < 0 ) ? -((50 + var_1_23) - var_1_33) : ((50 + var_1_23) - var_1_33))))) : 1) : (var_1_29 == ((signed short int) (var_1_28 - var_1_30))))) && ((last_1_var_1_16 <= last_1_var_1_9) ? (var_1_33 == ((unsigned char) (var_1_34 - var_1_28))) : (((var_1_24 % var_1_34) >= last_1_var_1_27) ? (var_1_7 ? (var_1_33 == ((unsigned char) (((((((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) > ((64 - var_1_30))) ? (((((var_1_28) > (var_1_23)) ? (var_1_28) : (var_1_23)))) : ((64 - var_1_30)))) + 1))) : (var_1_33 == ((unsigned char) var_1_28))) : 1))) && (((var_1_25 - last_1_var_1_35) <= (var_1_30 + var_1_39)) ? (var_1_7 ? (var_1_35 == ((unsigned char) var_1_28)) : (var_1_35 == ((unsigned char) ((var_1_36 - (var_1_37 - var_1_30)) - ((((var_1_28) < (var_1_24)) ? (var_1_28) : (var_1_24))))))) : 1)) && (var_1_38 == ((double) var_1_20))) && (var_1_39 == ((signed short int) 128)) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=104, var_1_18=0, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=52, var_1_28=1, var_1_29=98, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=159, var_1_36=190, var_1_37=31, var_1_38=2, var_1_39=128, var_1_6=-2, var_1_7=0, var_1_8=0, var_1_9=104] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=256, last_1_var_1_18=4, last_1_var_1_19=201/2, last_1_var_1_25=8, last_1_var_1_27=50, last_1_var_1_29=32, last_1_var_1_33=2, last_1_var_1_35=2, last_1_var_1_6=-1, last_1_var_1_9=-128, var_1_12=0, var_1_13=104, var_1_14=-4, var_1_15=4, var_1_16=104, var_1_18=0, var_1_19=2, var_1_1=32, var_1_20=2, var_1_21=0, var_1_22=51, var_1_23=50, var_1_24=1, var_1_25=8, var_1_27=52, var_1_28=1, var_1_29=98, var_1_30=1, var_1_31=1, var_1_33=2, var_1_34=127, var_1_35=159, var_1_36=190, var_1_37=31, var_1_38=2, var_1_39=128, var_1_6=-2, var_1_7=0, var_1_8=0, var_1_9=104] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, 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=56occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 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 [2023-11-12 00:08:29,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX --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 f0881add29b2e913dccd0b5d11f581533e2263693d3a446dde3d837a9a510a5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:31,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:31,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:31,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:31,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:31,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:31,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:31,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:31,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:31,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:31,785 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:31,786 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:31,787 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:31,787 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:31,788 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:31,788 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:31,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:31,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:31,790 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:31,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:31,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:31,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:31,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:31,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:31,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:31,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:31,794 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:31,794 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:31,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:31,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:31,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:31,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:31,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:31,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:31,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:31,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:31,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:31,798 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:31,798 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:31,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:31,799 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:31,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:31,799 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_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0881add29b2e913dccd0b5d11f581533e2263693d3a446dde3d837a9a510a5a [2023-11-12 00:08:32,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:32,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:32,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:32,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:32,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:32,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i [2023-11-12 00:08:35,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:35,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:35,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i [2023-11-12 00:08:35,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data/012eb3758/0bcc6c4dd5c54c81a5925cae65435253/FLAG1fa3d2511 [2023-11-12 00:08:35,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/data/012eb3758/0bcc6c4dd5c54c81a5925cae65435253 [2023-11-12 00:08:35,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:35,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:35,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:35,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:35,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:35,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:35" (1/1) ... [2023-11-12 00:08:35,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327abb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:35, skipping insertion in model container [2023-11-12 00:08:35,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:35" (1/1) ... [2023-11-12 00:08:35,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:35,988 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_7cc54350-d422-4e84-bdd0-34a274635ecb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i[916,929] [2023-11-12 00:08:36,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:36,183 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:36,198 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_7cc54350-d422-4e84-bdd0-34a274635ecb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-22.i[916,929] [2023-11-12 00:08:36,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:36,360 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:36,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36 WrapperNode [2023-11-12 00:08:36,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:36,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:36,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:36,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:36,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,433 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-12 00:08:36,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:36,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:36,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:36,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:36,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:36,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:36,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:36,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:36,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (1/1) ... [2023-11-12 00:08:36,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:36,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:36,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:36,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:08:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:36,708 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:36,710 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:38,573 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:38,582 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:38,582 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:38,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:38 BoogieIcfgContainer [2023-11-12 00:08:38,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:38,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:38,588 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:38,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:38,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:35" (1/3) ... [2023-11-12 00:08:38,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fc057c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:38, skipping insertion in model container [2023-11-12 00:08:38,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:36" (2/3) ... [2023-11-12 00:08:38,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fc057c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:38, skipping insertion in model container [2023-11-12 00:08:38,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:38" (3/3) ... [2023-11-12 00:08:38,596 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-22.i [2023-11-12 00:08:38,615 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:38,615 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:38,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:38,680 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;@5a13ccda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:38,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:38,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 55 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) [2023-11-12 00:08:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-12 00:08:38,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:38,708 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, 1, 1] [2023-11-12 00:08:38,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:38,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:38,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1843546310, now seen corresponding path program 1 times [2023-11-12 00:08:38,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:38,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991495319] [2023-11-12 00:08:38,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:38,734 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 [2023-11-12 00:08:38,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:38,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:38,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:39,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:08:39,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 704 proven. 0 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2023-11-12 00:08:39,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:39,349 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991495319] [2023-11-12 00:08:39,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991495319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:39,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:08:39,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934807213] [2023-11-12 00:08:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:39,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:08:39,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:39,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:08:39,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:08:39,399 INFO L87 Difference]: Start difference. First operand has 88 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 55 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) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-12 00:08:39,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:39,433 INFO L93 Difference]: Finished difference Result 169 states and 301 transitions. [2023-11-12 00:08:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:08:39,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 194 [2023-11-12 00:08:39,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:39,444 INFO L225 Difference]: With dead ends: 169 [2023-11-12 00:08:39,444 INFO L226 Difference]: Without dead ends: 84 [2023-11-12 00:08:39,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:08:39,454 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:39,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:08:39,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-12 00:08:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-12 00:08:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 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) [2023-11-12 00:08:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 131 transitions. [2023-11-12 00:08:39,510 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 131 transitions. Word has length 194 [2023-11-12 00:08:39,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:39,511 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 131 transitions. [2023-11-12 00:08:39,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-12 00:08:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2023-11-12 00:08:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-12 00:08:39,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:39,518 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, 1, 1] [2023-11-12 00:08:39,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:39,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:39,736 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:39,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:39,737 INFO L85 PathProgramCache]: Analyzing trace with hash -850663032, now seen corresponding path program 1 times [2023-11-12 00:08:39,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:39,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816932149] [2023-11-12 00:08:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:39,738 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 [2023-11-12 00:08:39,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:39,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:39,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:40,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:08:40,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:08:40,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:40,764 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:40,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816932149] [2023-11-12 00:08:40,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816932149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:40,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:40,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:08:40,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202394450] [2023-11-12 00:08:40,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:40,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:40,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:40,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:40,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:40,770 INFO L87 Difference]: Start difference. First operand 84 states and 131 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-12 00:08:42,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:42,683 INFO L93 Difference]: Finished difference Result 268 states and 420 transitions. [2023-11-12 00:08:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:08:42,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 194 [2023-11-12 00:08:42,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:42,705 INFO L225 Difference]: With dead ends: 268 [2023-11-12 00:08:42,705 INFO L226 Difference]: Without dead ends: 187 [2023-11-12 00:08:42,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:08:42,709 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 206 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:42,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 496 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-12 00:08:42,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-12 00:08:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 162. [2023-11-12 00:08:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 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) [2023-11-12 00:08:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 255 transitions. [2023-11-12 00:08:42,774 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 255 transitions. Word has length 194 [2023-11-12 00:08:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:42,775 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 255 transitions. [2023-11-12 00:08:42,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-12 00:08:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 255 transitions. [2023-11-12 00:08:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:08:42,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:42,781 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, 1, 1, 1] [2023-11-12 00:08:42,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:42,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:42,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:42,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:42,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1316621499, now seen corresponding path program 1 times [2023-11-12 00:08:43,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:43,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126490480] [2023-11-12 00:08:43,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:43,000 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 [2023-11-12 00:08:43,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:43,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:43,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:08:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:43,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:08:43,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:08:44,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:44,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:44,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126490480] [2023-11-12 00:08:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126490480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:44,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:44,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:08:44,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229789652] [2023-11-12 00:08:44,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:44,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:44,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:44,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:44,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:44,903 INFO L87 Difference]: Start difference. First operand 162 states and 255 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-12 00:08:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:46,954 INFO L93 Difference]: Finished difference Result 431 states and 677 transitions. [2023-11-12 00:08:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:08:46,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 195 [2023-11-12 00:08:46,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:46,976 INFO L225 Difference]: With dead ends: 431 [2023-11-12 00:08:46,976 INFO L226 Difference]: Without dead ends: 272 [2023-11-12 00:08:46,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:08:46,979 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 178 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:46,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 440 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-12 00:08:46,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-12 00:08:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 240. [2023-11-12 00:08:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 143 states have (on average 1.3426573426573427) internal successors, (192), 143 states have internal predecessors, (192), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:08:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 378 transitions. [2023-11-12 00:08:47,072 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 378 transitions. Word has length 195 [2023-11-12 00:08:47,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:47,074 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 378 transitions. [2023-11-12 00:08:47,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-12 00:08:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 378 transitions. [2023-11-12 00:08:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:08:47,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:47,088 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, 1, 1, 1] [2023-11-12 00:08:47,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:47,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:47,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:47,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:47,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1957277443, now seen corresponding path program 1 times [2023-11-12 00:08:47,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:47,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324865899] [2023-11-12 00:08:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:47,307 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 [2023-11-12 00:08:47,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:47,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:47,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:47,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:08:47,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:08:49,307 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:49,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:49,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324865899] [2023-11-12 00:08:49,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324865899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:49,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:49,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:49,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221843260] [2023-11-12 00:08:49,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:49,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:08:49,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:49,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:08:49,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:08:49,310 INFO L87 Difference]: Start difference. First operand 240 states and 378 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-12 00:08:52,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:52,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:52,298 INFO L93 Difference]: Finished difference Result 403 states and 633 transitions. [2023-11-12 00:08:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:08:52,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 195 [2023-11-12 00:08:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:52,321 INFO L225 Difference]: With dead ends: 403 [2023-11-12 00:08:52,321 INFO L226 Difference]: Without dead ends: 166 [2023-11-12 00:08:52,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:52,324 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 71 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:52,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 364 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-12 00:08:52,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-12 00:08:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 143. [2023-11-12 00:08:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 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) [2023-11-12 00:08:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 222 transitions. [2023-11-12 00:08:52,357 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 222 transitions. Word has length 195 [2023-11-12 00:08:52,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:52,359 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 222 transitions. [2023-11-12 00:08:52,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2023-11-12 00:08:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 222 transitions. [2023-11-12 00:08:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-12 00:08:52,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:52,363 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, 1, 1, 1, 1] [2023-11-12 00:08:52,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:52,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:52,579 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:52,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1573885918, now seen corresponding path program 1 times [2023-11-12 00:08:52,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:52,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530083806] [2023-11-12 00:08:52,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:52,581 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 [2023-11-12 00:08:52,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:52,583 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:52,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 (6)] Waiting until timeout for monitored process [2023-11-12 00:08:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:52,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:08:52,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:08:53,534 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:08:53,534 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:53,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530083806] [2023-11-12 00:08:53,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530083806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:53,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:08:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086334140] [2023-11-12 00:08:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:53,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:53,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:53,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:53,538 INFO L87 Difference]: Start difference. First operand 143 states and 222 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-12 00:08:55,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:55,721 INFO L93 Difference]: Finished difference Result 334 states and 519 transitions. [2023-11-12 00:08:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:08:55,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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 196 [2023-11-12 00:08:55,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:55,740 INFO L225 Difference]: With dead ends: 334 [2023-11-12 00:08:55,740 INFO L226 Difference]: Without dead ends: 253 [2023-11-12 00:08:55,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:08:55,742 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 140 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:55,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 435 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-12 00:08:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-11-12 00:08:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 223. [2023-11-12 00:08:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 126 states have (on average 1.2936507936507937) internal successors, (163), 126 states have internal predecessors, (163), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:08:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 349 transitions. [2023-11-12 00:08:55,783 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 349 transitions. Word has length 196 [2023-11-12 00:08:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:55,784 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 349 transitions. [2023-11-12 00:08:55,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-12 00:08:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 349 transitions. [2023-11-12 00:08:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:08:55,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:55,788 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, 1, 1, 1, 1, 1] [2023-11-12 00:08:55,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:56,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:56,004 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:56,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash -618608047, now seen corresponding path program 1 times [2023-11-12 00:08:56,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:56,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71694061] [2023-11-12 00:08:56,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:56,005 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 [2023-11-12 00:08:56,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:56,011 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:56,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-12 00:08:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:56,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:08:56,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 148 proven. 87 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2023-11-12 00:08:56,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:08:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-12 00:08:57,033 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:08:57,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71694061] [2023-11-12 00:08:57,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71694061] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 00:08:57,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:08:57,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2023-11-12 00:08:57,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774937398] [2023-11-12 00:08:57,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:57,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:08:57,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:08:57,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:08:57,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 00:08:57,040 INFO L87 Difference]: Start difference. First operand 223 states and 349 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-11-12 00:08:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:59,579 INFO L93 Difference]: Finished difference Result 464 states and 728 transitions. [2023-11-12 00:08:59,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:08:59,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 197 [2023-11-12 00:08:59,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:59,583 INFO L225 Difference]: With dead ends: 464 [2023-11-12 00:08:59,583 INFO L226 Difference]: Without dead ends: 303 [2023-11-12 00:08:59,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:08:59,585 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 76 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:59,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 412 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-12 00:08:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-12 00:08:59,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 263. [2023-11-12 00:08:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 166 states have (on average 1.3313253012048192) internal successors, (221), 166 states have internal predecessors, (221), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:08:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 407 transitions. [2023-11-12 00:08:59,626 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 407 transitions. Word has length 197 [2023-11-12 00:08:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:59,627 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 407 transitions. [2023-11-12 00:08:59,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-11-12 00:08:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 407 transitions. [2023-11-12 00:08:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:08:59,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:59,630 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, 1, 1, 1, 1, 1] [2023-11-12 00:08:59,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:59,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:08:59,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:59,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:59,853 INFO L85 PathProgramCache]: Analyzing trace with hash 82456531, now seen corresponding path program 1 times [2023-11-12 00:08:59,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:08:59,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993967200] [2023-11-12 00:08:59,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:59,853 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 [2023-11-12 00:08:59,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:08:59,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:08:59,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 (8)] Waiting until timeout for monitored process [2023-11-12 00:09:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:00,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 00:09:00,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-12 00:09:02,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:03,460 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:03,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993967200] [2023-11-12 00:09:03,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993967200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:03,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1551471086] [2023-11-12 00:09:03,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:03,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:03,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:03,467 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:03,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-12 00:09:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:04,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 00:09:04,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 828 proven. 27 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-11-12 00:09:06,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1551471086] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613332898] [2023-11-12 00:09:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:06,513 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 00:09:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:06,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 00:09:06,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 839 proven. 48 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2023-11-12 00:09:08,601 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:08,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613332898] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:08,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:08,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 11] total 13 [2023-11-12 00:09:08,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509890122] [2023-11-12 00:09:08,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:08,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 00:09:08,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:08,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 00:09:08,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:09:08,956 INFO L87 Difference]: Start difference. First operand 263 states and 407 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-12 00:09:11,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:11,617 INFO L93 Difference]: Finished difference Result 509 states and 782 transitions. [2023-11-12 00:09:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 00:09:11,618 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 197 [2023-11-12 00:09:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:11,622 INFO L225 Difference]: With dead ends: 509 [2023-11-12 00:09:11,622 INFO L226 Difference]: Without dead ends: 311 [2023-11-12 00:09:11,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 784 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=312, Invalid=810, Unknown=0, NotChecked=0, Total=1122 [2023-11-12 00:09:11,625 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:11,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 653 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-12 00:09:11,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2023-11-12 00:09:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 284. [2023-11-12 00:09:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 185 states have (on average 1.335135135135135) internal successors, (247), 185 states have internal predecessors, (247), 93 states have call successors, (93), 5 states have call predecessors, (93), 5 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-12 00:09:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2023-11-12 00:09:11,684 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 197 [2023-11-12 00:09:11,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:11,684 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2023-11-12 00:09:11,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-12 00:09:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2023-11-12 00:09:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:09:11,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:11,689 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, 1, 1, 1, 1, 1] [2023-11-12 00:09:11,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:11,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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 (8)] Ended with exit code 0 [2023-11-12 00:09:12,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:12,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:12,306 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:12,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:12,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1258151658, now seen corresponding path program 1 times [2023-11-12 00:09:12,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57678765] [2023-11-12 00:09:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:12,308 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 [2023-11-12 00:09:12,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:12,311 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:12,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc54350-d422-4e84-bdd0-34a274635ecb/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-12 00:09:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:12,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-12 00:09:12,589 INFO L285 TraceCheckSpWp]: Computing forward predicates...