./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3ab8989cae4393a8cbf1c0c6e0a27c5ce2ad38815cddf562090bcf36daabdd7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:55,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:55,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:20:55,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:55,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:55,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:55,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:55,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:55,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:55,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:55,403 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:55,404 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:55,404 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:55,407 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:55,407 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:55,408 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:55,409 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:55,409 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:55,410 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:55,411 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:55,411 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:55,412 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:55,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:55,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:55,415 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:55,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:55,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:55,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:55,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:55,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:55,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:55,420 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:55,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:55,421 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:55,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:55,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:55,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:55,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:55,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:55,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:55,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:55,425 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:55,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:55,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:55,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:55,427 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:55,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:55,428 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_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3ab8989cae4393a8cbf1c0c6e0a27c5ce2ad38815cddf562090bcf36daabdd7 [2023-11-23 21:20:55,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:55,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:55,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:55,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:55,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:55,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i [2023-11-23 21:20:59,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:59,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:59,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i [2023-11-23 21:20:59,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data/b53fb598d/1564300abc384244ad1dda65c48ebb66/FLAG2c8e829fb [2023-11-23 21:20:59,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data/b53fb598d/1564300abc384244ad1dda65c48ebb66 [2023-11-23 21:20:59,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:59,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:59,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:59,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:59,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:59,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:59" (1/1) ... [2023-11-23 21:20:59,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abbb5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:59, skipping insertion in model container [2023-11-23 21:20:59,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:59" (1/1) ... [2023-11-23 21:20:59,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:00,062 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_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i[919,932] [2023-11-23 21:21:00,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:00,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:00,212 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_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i[919,932] [2023-11-23 21:21:00,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:00,297 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:00,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00 WrapperNode [2023-11-23 21:21:00,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:00,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:00,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:00,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:00,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,460 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2023-11-23 21:21:00,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:00,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:00,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:00,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:00,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:00,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:00,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:00,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:00,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (1/1) ... [2023-11-23 21:21:00,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:00,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:00,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:00,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:00,860 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:00,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:01,585 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:01,994 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:01,994 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:01,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:01 BoogieIcfgContainer [2023-11-23 21:21:01,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:02,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:02,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:02,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:02,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:59" (1/3) ... [2023-11-23 21:21:02,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3caa36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:02, skipping insertion in model container [2023-11-23 21:21:02,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:00" (2/3) ... [2023-11-23 21:21:02,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3caa36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:02, skipping insertion in model container [2023-11-23 21:21:02,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:01" (3/3) ... [2023-11-23 21:21:02,011 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i [2023-11-23 21:21:02,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:02,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:02,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:02,133 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;@49aec51f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:02,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:21:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 21:21:02,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:02,155 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:02,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:02,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:02,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1623328783, now seen corresponding path program 1 times [2023-11-23 21:21:02,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:02,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089074266] [2023-11-23 21:21:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:02,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:02,462 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:02,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753554620] [2023-11-23 21:21:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:02,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:02,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:02,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:02,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:03,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:03,386 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:03,389 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:03,390 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:03,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:03,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:03,606 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:03,610 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:03,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:03 BoogieIcfgContainer [2023-11-23 21:21:03,753 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:03,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:03,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:03,754 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:03,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:01" (3/4) ... [2023-11-23 21:21:03,757 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:03,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:03,759 INFO L158 Benchmark]: Toolchain (without parser) took 4019.42ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 72.6MB in the end (delta: 49.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-11-23 21:21:03,760 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 73.6MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:03,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.24ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 106.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:03,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.25ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 101.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:03,762 INFO L158 Benchmark]: Boogie Preprocessor took 133.15ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 99.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:03,763 INFO L158 Benchmark]: RCFGBuilder took 1399.18ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 67.3MB in the end (delta: 31.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 21:21:03,763 INFO L158 Benchmark]: TraceAbstraction took 1753.30ms. Allocated memory is still 159.4MB. Free memory was 67.3MB in the beginning and 72.6MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:03,763 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 159.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:03,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 73.6MB in the beginning and 73.6MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.24ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 106.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.25ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 101.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.15ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 99.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1399.18ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 67.3MB in the end (delta: 31.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1753.30ms. Allocated memory is still 159.4MB. Free memory was 67.3MB in the beginning and 72.6MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 159.4MB. Free memory is still 72.6MB. 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 61, overapproximation of shiftRight at line 108, overapproximation of bitwiseOr at line 111, overapproximation of bitwiseAnd at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] float var_1_6 = 255.25; [L27] unsigned short int var_1_7 = 16; [L28] signed char var_1_8 = -10; [L29] signed char var_1_9 = -8; [L30] unsigned short int var_1_10 = 8; [L31] unsigned short int var_1_11 = 10000; [L32] unsigned short int var_1_12 = 5; [L33] signed short int var_1_13 = 200; [L34] unsigned char var_1_15 = 0; [L35] unsigned short int var_1_16 = 35895; [L36] unsigned short int var_1_17 = 18336; [L37] unsigned char var_1_18 = 0; [L38] signed long int var_1_19 = -50; [L39] unsigned char var_1_20 = 10; [L40] unsigned char var_1_22 = 100; [L41] unsigned char var_1_23 = 16; [L42] signed long int var_1_24 = -256; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_30 = 25; [L45] signed char var_1_32 = 1; [L46] unsigned char var_1_33 = 200; [L47] unsigned char var_1_34 = 64; [L48] unsigned char var_1_35 = 64; [L49] unsigned char var_1_36 = 8; [L50] unsigned short int var_1_37 = 500; [L51] unsigned char var_1_38 = 32; [L52] unsigned short int var_1_39 = 25; [L53] signed char last_1_var_1_8 = -10; [L54] unsigned char last_1_var_1_15 = 0; [L55] signed long int last_1_var_1_19 = -50; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L193] last_1_var_1_8 = var_1_8 [L194] last_1_var_1_15 = var_1_15 [L195] last_1_var_1_19 = var_1_19 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L144] var_1_3 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L149] var_1_6 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L151] var_1_7 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_8=-10, var_1_9=-8] [L153] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=-8] [L154] var_1_9 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L156] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L157] var_1_11 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L159] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L160] var_1_12 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L162] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L163] var_1_16 = __VERIFIER_nondet_ushort() [L164] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L165] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L166] var_1_17 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L168] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L169] var_1_18 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L171] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=100, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L172] var_1_22 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L174] CALL assume_abort_if_not(var_1_22 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_22 <= 254) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=1, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L175] var_1_32 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_32 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_32 >= -128) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_32 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_32 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L178] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=200, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L179] var_1_33 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L181] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=64, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L182] var_1_34 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L184] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=64, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L185] var_1_35 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_35 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_35 >= 63) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L187] CALL assume_abort_if_not(var_1_35 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_35 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=8, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L188] var_1_36 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L190] CALL assume_abort_if_not(var_1_36 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=0, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_36 <= 63) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_20=10, var_1_22=201, var_1_23=16, var_1_24=-256, var_1_25=1, var_1_30=25, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=0, var_1_37=500, var_1_38=32, var_1_39=25, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L206] RET updateVariables() [L207] CALL step() [L59] signed long int stepLocal_0 = (((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)); [L60] COND FALSE !(stepLocal_0 <= last_1_var_1_8) [L67] var_1_1 = var_1_7 [L69] COND FALSE !((- var_1_7) < (var_1_1 * var_1_4)) [L72] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) [L79] signed long int stepLocal_1 = var_1_16 - (var_1_17 - 256); [L80] COND FALSE !(var_1_3 != var_1_6) [L87] var_1_15 = var_1_18 [L89] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) [L90] unsigned short int stepLocal_4 = var_1_1; [L91] signed long int stepLocal_3 = var_1_7 + (128 + var_1_1); [L92] signed long int stepLocal_2 = - var_1_10; [L93] COND FALSE !(var_1_1 < stepLocal_2) [L98] COND TRUE stepLocal_4 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11) [L99] var_1_19 = ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))) [L104] COND FALSE !(var_1_7 <= -1) [L107] var_1_23 = var_1_22 [L108] EXPR var_1_22 >> var_1_4 [L108] EXPR var_1_8 & (var_1_22 >> var_1_4) [L108] COND TRUE var_1_13 >= (var_1_8 & (var_1_22 >> var_1_4)) [L109] var_1_24 = (var_1_22 - ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L115] COND TRUE var_1_16 >= (-128 & var_1_11) [L116] COND FALSE !((((((var_1_3) > (var_1_3)) ? (var_1_3) : (var_1_3))) <= var_1_3) && var_1_18) [L122] COND FALSE !(\read(var_1_18)) [L125] COND TRUE ! var_1_15 [L126] COND TRUE (var_1_9 % var_1_32) <= var_1_11 [L127] var_1_30 = (var_1_33 - ((((var_1_34) > ((var_1_35 - var_1_36))) ? (var_1_34) : ((var_1_35 - var_1_36))))) [L131] COND TRUE ((((var_1_1) > (var_1_10)) ? (var_1_1) : (var_1_10))) > var_1_32 [L132] COND TRUE ! var_1_18 [L133] COND FALSE !(\read(var_1_18)) [L138] var_1_38 = var_1_34 [L139] var_1_39 = var_1_11 [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_1 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (last_1_var_1_15 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_13 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_1 < (- var_1_10)) ? (((var_1_7 + (128 + var_1_1)) <= last_1_var_1_19) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=14523, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=10, var_1_22=201, var_1_23=201, var_1_24=1, var_1_25=1, var_1_30=64, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=0, var_1_37=500, var_1_38=0, var_1_39=14523, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=14523, var_1_11=14523, var_1_12=10050, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=32767, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=10, var_1_22=201, var_1_23=201, var_1_24=1, var_1_25=1, var_1_30=64, var_1_32=2, var_1_33=127, var_1_34=0, var_1_35=63, var_1_36=0, var_1_37=500, var_1_38=0, var_1_39=14523, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:21:03,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3ab8989cae4393a8cbf1c0c6e0a27c5ce2ad38815cddf562090bcf36daabdd7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:06,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:06,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:06,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:06,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:06,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:06,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:06,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:06,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:06,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:06,669 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:06,670 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:06,670 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:06,671 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:06,672 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:06,673 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:06,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:06,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:06,676 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:06,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:06,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:06,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:06,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:06,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:06,686 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:06,686 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:06,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:06,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:06,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:06,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:06,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:06,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:06,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:06,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:06,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:06,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:06,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:06,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:06,694 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:06,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:06,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:06,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:06,696 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:06,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:06,697 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_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3ab8989cae4393a8cbf1c0c6e0a27c5ce2ad38815cddf562090bcf36daabdd7 [2023-11-23 21:21:07,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:07,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:07,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:07,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:07,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:07,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i [2023-11-23 21:21:10,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:10,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:10,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i [2023-11-23 21:21:10,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data/a01f5989e/1bd8e66f4b564374964f58cc1637777b/FLAG2671ed31a [2023-11-23 21:21:10,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/data/a01f5989e/1bd8e66f4b564374964f58cc1637777b [2023-11-23 21:21:10,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:10,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:10,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:10,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:10,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:10,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:10" (1/1) ... [2023-11-23 21:21:10,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428ba8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:10, skipping insertion in model container [2023-11-23 21:21:10,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:10" (1/1) ... [2023-11-23 21:21:10,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:11,104 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_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i[919,932] [2023-11-23 21:21:11,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:11,194 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:11,208 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_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i[919,932] [2023-11-23 21:21:11,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:11,318 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:11,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11 WrapperNode [2023-11-23 21:21:11,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:11,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:11,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:11,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:11,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,431 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-11-23 21:21:11,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:11,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:11,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:11,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:11,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:11,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:11,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:11,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:11,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (1/1) ... [2023-11-23 21:21:11,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:11,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:11,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:11,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:11,743 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:11,747 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:13,490 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:13,558 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:13,560 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:13,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:13 BoogieIcfgContainer [2023-11-23 21:21:13,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:13,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:13,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:13,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:13,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:10" (1/3) ... [2023-11-23 21:21:13,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f89cf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:13, skipping insertion in model container [2023-11-23 21:21:13,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:11" (2/3) ... [2023-11-23 21:21:13,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f89cf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:13, skipping insertion in model container [2023-11-23 21:21:13,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:13" (3/3) ... [2023-11-23 21:21:13,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-77.i [2023-11-23 21:21:13,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:13,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:13,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:13,669 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;@52987d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:13,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:21:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 21:21:13,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:13,706 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:13,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:13,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:13,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1685958618, now seen corresponding path program 1 times [2023-11-23 21:21:13,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:13,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671995158] [2023-11-23 21:21:13,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:13,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:13,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:13,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:13,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:21:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:14,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:14,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 854 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2023-11-23 21:21:14,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:14,220 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:14,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671995158] [2023-11-23 21:21:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671995158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:14,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:14,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:14,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066339901] [2023-11-23 21:21:14,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:14,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:14,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:14,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:14,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:14,273 INFO L87 Difference]: Start difference. First operand has 86 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:21:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:14,945 INFO L93 Difference]: Finished difference Result 169 states and 312 transitions. [2023-11-23 21:21:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:14,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2023-11-23 21:21:14,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:14,970 INFO L225 Difference]: With dead ends: 169 [2023-11-23 21:21:14,970 INFO L226 Difference]: Without dead ends: 84 [2023-11-23 21:21:14,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:14,980 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:14,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:21:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-23 21:21:15,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-23 21:21:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:21:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 135 transitions. [2023-11-23 21:21:15,049 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 135 transitions. Word has length 196 [2023-11-23 21:21:15,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:15,050 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 135 transitions. [2023-11-23 21:21:15,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:21:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-23 21:21:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 21:21:15,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:15,058 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:15,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:15,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:15,277 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:15,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:15,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1920396836, now seen corresponding path program 1 times [2023-11-23 21:21:15,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:15,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166401615] [2023-11-23 21:21:15,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:15,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:15,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:15,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:21:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:15,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:21:15,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-23 21:21:15,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:15,842 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:15,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166401615] [2023-11-23 21:21:15,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166401615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:15,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:15,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:15,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054678479] [2023-11-23 21:21:15,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:15,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:21:15,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:15,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:21:15,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:21:15,856 INFO L87 Difference]: Start difference. First operand 84 states and 135 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 21:21:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:16,423 INFO L93 Difference]: Finished difference Result 166 states and 267 transitions. [2023-11-23 21:21:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:21:16,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2023-11-23 21:21:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:16,440 INFO L225 Difference]: With dead ends: 166 [2023-11-23 21:21:16,440 INFO L226 Difference]: Without dead ends: 83 [2023-11-23 21:21:16,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:21:16,443 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:16,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 230 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:21:16,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-23 21:21:16,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-23 21:21:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:21:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 132 transitions. [2023-11-23 21:21:16,473 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 132 transitions. Word has length 196 [2023-11-23 21:21:16,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:16,479 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 132 transitions. [2023-11-23 21:21:16,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 21:21:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-11-23 21:21:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 21:21:16,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:16,485 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:16,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:16,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:16,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:16,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:16,694 INFO L85 PathProgramCache]: Analyzing trace with hash -688246564, now seen corresponding path program 1 times [2023-11-23 21:21:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:16,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579366300] [2023-11-23 21:21:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:16,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:16,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:16,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:21:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:17,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:21:17,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1003 proven. 39 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2023-11-23 21:21:17,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-23 21:21:18,119 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:18,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579366300] [2023-11-23 21:21:18,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579366300] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:21:18,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1984590473] [2023-11-23 21:21:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:18,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:18,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:21:18,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:21:18,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:21:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:18,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:21:18,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1062 proven. 114 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-11-23 21:21:20,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:20,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1984590473] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:21:20,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29103638] [2023-11-23 21:21:20,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:20,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:20,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:20,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:20,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:21:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:20,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:21:20,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1062 proven. 114 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2023-11-23 21:21:22,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:22,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29103638] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:21:22,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-23 21:21:22,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 8, 8] total 11 [2023-11-23 21:21:22,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455334134] [2023-11-23 21:21:22,441 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-23 21:21:22,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:21:22,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:22,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:21:22,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:21:22,446 INFO L87 Difference]: Start difference. First operand 83 states and 132 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (66), 4 states have call predecessors, (66), 7 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-11-23 21:21:24,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:24,362 INFO L93 Difference]: Finished difference Result 183 states and 278 transitions. [2023-11-23 21:21:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 21:21:24,363 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (66), 4 states have call predecessors, (66), 7 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) Word has length 196 [2023-11-23 21:21:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:24,372 INFO L225 Difference]: With dead ends: 183 [2023-11-23 21:21:24,372 INFO L226 Difference]: Without dead ends: 101 [2023-11-23 21:21:24,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1003 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2023-11-23 21:21:24,381 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 207 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:24,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 251 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 21:21:24,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-23 21:21:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2023-11-23 21:21:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 58 states have internal predecessors, (72), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:21:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2023-11-23 21:21:24,418 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 196 [2023-11-23 21:21:24,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:24,419 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2023-11-23 21:21:24,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 4 states have call successors, (66), 4 states have call predecessors, (66), 7 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-11-23 21:21:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2023-11-23 21:21:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-23 21:21:24,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:24,426 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:24,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:24,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:24,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:25,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:25,035 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:25,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:25,035 INFO L85 PathProgramCache]: Analyzing trace with hash 397678856, now seen corresponding path program 1 times [2023-11-23 21:21:25,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:25,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605925954] [2023-11-23 21:21:25,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:25,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:25,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 21:21:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:25,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:21:25,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1003 proven. 39 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2023-11-23 21:21:25,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-23 21:21:26,008 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605925954] [2023-11-23 21:21:26,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605925954] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:21:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1474135301] [2023-11-23 21:21:26,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:26,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:26,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:21:26,010 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:21:26,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 21:21:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:26,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:21:26,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-23 21:21:26,526 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:26,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1474135301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:26,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:21:26,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 9 [2023-11-23 21:21:26,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428974171] [2023-11-23 21:21:26,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:26,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:26,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:26,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:26,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:21:26,530 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 21:21:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:29,095 INFO L93 Difference]: Finished difference Result 298 states and 422 transitions. [2023-11-23 21:21:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:21:29,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2023-11-23 21:21:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:29,102 INFO L225 Difference]: With dead ends: 298 [2023-11-23 21:21:29,104 INFO L226 Difference]: Without dead ends: 204 [2023-11-23 21:21:29,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 583 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:21:29,107 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 147 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:29,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 296 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 21:21:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-11-23 21:21:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 119. [2023-11-23 21:21:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:21:29,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 166 transitions. [2023-11-23 21:21:29,141 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 166 transitions. Word has length 198 [2023-11-23 21:21:29,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:29,142 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 166 transitions. [2023-11-23 21:21:29,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 21:21:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-23 21:21:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 21:21:29,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:29,146 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:29,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:29,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:29,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:29,554 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:29,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:29,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1117613732, now seen corresponding path program 1 times [2023-11-23 21:21:29,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:29,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505536869] [2023-11-23 21:21:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:29,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:29,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:29,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:29,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 21:21:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:29,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:21:29,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1003 proven. 39 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2023-11-23 21:21:30,316 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-23 21:21:30,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:30,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505536869] [2023-11-23 21:21:30,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505536869] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:21:30,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [438652369] [2023-11-23 21:21:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:30,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:21:30,744 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:21:30,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 21:21:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:31,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:21:31,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-11-23 21:21:31,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:31,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [438652369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:31,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:21:31,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 9 [2023-11-23 21:21:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163680091] [2023-11-23 21:21:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:31,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:31,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:31,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:31,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:21:31,176 INFO L87 Difference]: Start difference. First operand 119 states and 166 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 21:21:31,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:31,888 INFO L93 Difference]: Finished difference Result 241 states and 334 transitions. [2023-11-23 21:21:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:21:31,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2023-11-23 21:21:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:31,896 INFO L225 Difference]: With dead ends: 241 [2023-11-23 21:21:31,896 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 21:21:31,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 586 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:21:31,900 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 108 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:31,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 151 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:21:31,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 21:21:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 21:21:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 84 states have internal predecessors, (102), 33 states have call successors, (33), 6 states have call predecessors, (33), 6 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:21:31,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 168 transitions. [2023-11-23 21:21:31,943 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 168 transitions. Word has length 199 [2023-11-23 21:21:31,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:31,945 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 168 transitions. [2023-11-23 21:21:31,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-11-23 21:21:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 168 transitions. [2023-11-23 21:21:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 21:21:31,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:31,949 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:31,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-23 21:21:32,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-23 21:21:32,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:32,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:32,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash -810109543, now seen corresponding path program 1 times [2023-11-23 21:21:32,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:32,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883543867] [2023-11-23 21:21:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:32,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:32,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:32,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:32,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-23 21:21:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:32,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:21:32,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 969 proven. 177 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2023-11-23 21:21:35,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:36,271 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:36,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883543867] [2023-11-23 21:21:36,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883543867] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:21:36,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [867737374] [2023-11-23 21:21:36,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:36,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:36,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:21:36,273 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:21:36,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d385aced-1fa8-4dc2-8a5c-a8187bc6c59e/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-23 21:21:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:37,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 21:21:37,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1179 proven. 204 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-11-23 21:21:44,240 INFO L327 TraceCheckSpWp]: Computing backward predicates...