./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:42,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:42,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:53:42,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:42,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:43,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:43,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:43,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:43,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:43,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:43,034 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:43,034 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:43,035 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:43,037 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:43,038 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:43,038 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:43,039 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:43,039 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:43,040 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:43,041 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:43,041 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:43,042 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:43,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:43,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:43,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:43,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:43,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:43,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:43,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:43,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:43,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:43,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:43,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:43,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:43,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:43,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:43,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:43,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:43,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:43,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:43,051 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:43,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:43,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:43,052 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:43,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:43,053 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 [2023-11-12 00:53:43,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:43,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:43,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:43,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:43,394 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:43,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2023-11-12 00:53:46,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:46,923 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:46,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2023-11-12 00:53:46,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data/264b2d2c0/891bff4691af4926b403cf43383ae060/FLAG573ea50e9 [2023-11-12 00:53:46,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data/264b2d2c0/891bff4691af4926b403cf43383ae060 [2023-11-12 00:53:46,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:46,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:46,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:46,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:46,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:46,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:46" (1/1) ... [2023-11-12 00:53:46,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f79cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:46, skipping insertion in model container [2023-11-12 00:53:46,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:46" (1/1) ... [2023-11-12 00:53:47,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:47,195 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2023-11-12 00:53:47,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:47,287 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:47,301 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2023-11-12 00:53:47,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:47,386 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:47,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47 WrapperNode [2023-11-12 00:53:47,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:47,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:47,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:47,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:47,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,468 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 240 [2023-11-12 00:53:47,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:47,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:47,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:47,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:47,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:47,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:47,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:47,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:47,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (1/1) ... [2023-11-12 00:53:47,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:47,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:47,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:47,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:53:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:47,814 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:47,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:53:48,301 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:53:48,652 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:53:48,652 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:53:48,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:48 BoogieIcfgContainer [2023-11-12 00:53:48,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:53:48,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:53:48,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:53:48,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:53:48,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:46" (1/3) ... [2023-11-12 00:53:48,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf1a82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:48, skipping insertion in model container [2023-11-12 00:53:48,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:47" (2/3) ... [2023-11-12 00:53:48,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf1a82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:53:48, skipping insertion in model container [2023-11-12 00:53:48,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:48" (3/3) ... [2023-11-12 00:53:48,686 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2023-11-12 00:53:48,708 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:53:48,708 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:53:48,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:53:48,775 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;@185f6164, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:53:48,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:53:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:53:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:53:48,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:53:48,798 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:53:48,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:53:48,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:53:48,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1737605478, now seen corresponding path program 1 times [2023-11-12 00:53:48,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:53:48,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306311437] [2023-11-12 00:53:48,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:48,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:53:49,012 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:53:49,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704953689] [2023-11-12 00:53:49,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:53:49,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:53:49,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:49,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:53:49,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:53:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:49,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:53:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:53:49,530 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:53:49,532 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:53:49,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:53:49,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:53:49,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:53:49,746 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:53:49,750 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:53:49,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:53:49 BoogieIcfgContainer [2023-11-12 00:53:49,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:53:49,951 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:53:49,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:53:49,952 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:53:49,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:53:48" (3/4) ... [2023-11-12 00:53:49,955 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:53:49,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:53:49,957 INFO L158 Benchmark]: Toolchain (without parser) took 2994.33ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 67.8MB in the end (delta: 40.7MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-12 00:53:49,958 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:49,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.75ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 93.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:53:49,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.58ms. Allocated memory is still 155.2MB. Free memory was 93.9MB in the beginning and 90.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:53:49,967 INFO L158 Benchmark]: Boogie Preprocessor took 68.58ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:53:49,969 INFO L158 Benchmark]: RCFGBuilder took 1115.21ms. Allocated memory is still 155.2MB. Free memory was 88.8MB in the beginning and 59.5MB in the end (delta: 29.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-12 00:53:49,970 INFO L158 Benchmark]: TraceAbstraction took 1275.89ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 68.9MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-12 00:53:49,972 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 67.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:49,976 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 84.2MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.75ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 93.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.58ms. Allocated memory is still 155.2MB. Free memory was 93.9MB in the beginning and 90.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.58ms. Allocated memory is still 155.2MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1115.21ms. Allocated memory is still 155.2MB. Free memory was 88.8MB in the beginning and 59.5MB in the end (delta: 29.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1275.89ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 68.9MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 155.2MB. Free memory was 68.9MB in the beginning and 67.8MB in the end (delta: 1.0MB). 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 192, overapproximation of bitwiseOr at line 69, overapproximation of someBinaryArithmeticDOUBLEoperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryArithmeticFLOAToperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 100.25; [L23] double var_1_5 = 1.9; [L24] double var_1_6 = 7.5; [L25] double var_1_7 = 64.25; [L26] signed long int var_1_8 = 2; [L27] signed long int var_1_9 = 1000000000; [L28] signed long int var_1_10 = 1000000000; [L29] signed long int var_1_11 = 1957998270; [L30] float var_1_12 = 50.25; [L31] float var_1_13 = 9.8; [L32] float var_1_14 = 25.5; [L33] float var_1_15 = 3.5; [L34] signed long int var_1_16 = -500; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] signed long int var_1_20 = -4; [L39] signed short int var_1_23 = -200; [L40] unsigned short int var_1_25 = 32; [L41] signed short int var_1_27 = 0; [L42] signed short int var_1_28 = -128; [L43] signed short int var_1_29 = 16; [L44] signed short int var_1_30 = 10; [L45] unsigned long int var_1_32 = 32; [L46] unsigned long int var_1_33 = 5; [L47] unsigned char var_1_34 = 1; [L48] unsigned char var_1_35 = 128; [L49] unsigned char var_1_36 = 10; [L50] unsigned short int var_1_37 = 256; [L51] signed long int var_1_38 = 10; [L52] double var_1_40 = 256.5; [L53] unsigned long int var_1_42 = 10; [L54] double var_1_43 = 5.602; [L55] double last_1_var_1_1 = 100.25; [L56] signed long int last_1_var_1_8 = 2; [L57] float last_1_var_1_12 = 50.25; [L58] signed long int last_1_var_1_16 = -500; [L59] unsigned char last_1_var_1_17 = 1; [L60] unsigned char last_1_var_1_19 = 0; [L196] isInitial = 1 [L197] FCALL initially() [L198] COND TRUE 1 [L199] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_8 = var_1_8 [L186] last_1_var_1_12 = var_1_12 [L187] last_1_var_1_16 = var_1_16 [L188] last_1_var_1_17 = var_1_17 [L189] last_1_var_1_19 = var_1_19 [L199] RET updateLastVariables() [L200] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L143] var_1_6 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L145] var_1_7 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=1000000000] [L147] var_1_9 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L149] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L150] var_1_10 = __VERIFIER_nondet_long() [L151] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L152] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L153] var_1_11 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L155] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L158] var_1_15 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L160] var_1_18 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L162] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=-200, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L163] var_1_23 = __VERIFIER_nondet_short() [L164] CALL assume_abort_if_not(var_1_23 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_23 >= -32768) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L165] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L166] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=-128, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L167] var_1_28 = __VERIFIER_nondet_short() [L168] CALL assume_abort_if_not(var_1_28 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_28 >= -32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L169] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=16, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L170] var_1_29 = __VERIFIER_nondet_short() [L171] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L172] CALL assume_abort_if_not(var_1_29 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=10, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L173] var_1_30 = __VERIFIER_nondet_short() [L174] CALL assume_abort_if_not(var_1_30 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 >= -32767) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L175] CALL assume_abort_if_not(var_1_30 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 <= 32766) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=128, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L176] var_1_35 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L178] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=10, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=254, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=254, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L181] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=254, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=32, var_1_33=5, var_1_34=1, var_1_35=0, var_1_36=254, var_1_37=256, var_1_38=10, var_1_40=513/2, var_1_42=10, var_1_43=2801/500, var_1_6=2, var_1_7=3, var_1_8=2, var_1_9=536870911] [L200] RET updateVariables() [L201] CALL step() [L64] COND FALSE !(\read(var_1_19)) [L69] EXPR 8 ^ var_1_9 [L69] EXPR ((var_1_23) < ((8 ^ var_1_9))) ? (var_1_23) : ((8 ^ var_1_9)) [L69] EXPR 8 ^ var_1_9 [L69] EXPR ((var_1_23) < ((8 ^ var_1_9))) ? (var_1_23) : ((8 ^ var_1_9)) [L69] COND FALSE !(((((var_1_23) < ((8 ^ var_1_9))) ? (var_1_23) : ((8 ^ var_1_9)))) >= ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) [L72] COND FALSE !(var_1_23 >= (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - var_1_29)) [L81] var_1_32 = var_1_10 [L82] COND FALSE !(\read(var_1_19)) [L85] var_1_33 = ((((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) > (var_1_29)) ? (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) : (var_1_29))) [L87] COND FALSE !(var_1_9 > (var_1_11 + var_1_9)) [L90] COND FALSE !(var_1_9 > ((((var_1_11) < (((((var_1_29) > (var_1_10)) ? (var_1_29) : (var_1_10))))) ? (var_1_11) : (((((var_1_29) > (var_1_10)) ? (var_1_29) : (var_1_10))))))) [L95] COND FALSE !(500 != var_1_28) [L100] var_1_40 = var_1_5 [L101] var_1_42 = var_1_16 [L102] var_1_43 = var_1_5 [L103] COND TRUE \read(last_1_var_1_17) [L104] COND TRUE var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375)) [L105] var_1_19 = var_1_18 [L110] COND FALSE !((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) [L117] var_1_8 = (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16))))) [L118] signed long int stepLocal_1 = (((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9)); [L119] COND TRUE stepLocal_1 >= (var_1_16 - var_1_11) [L120] var_1_12 = var_1_7 [L122] var_1_17 = (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18) [L123] signed long int stepLocal_2 = var_1_16; [L124] COND TRUE stepLocal_2 < var_1_11 [L125] var_1_13 = ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f) [L129] signed long int stepLocal_0 = var_1_8; [L130] COND TRUE \read(var_1_19) [L131] COND TRUE stepLocal_0 >= var_1_8 [L132] var_1_1 = (var_1_5 + var_1_6) [L201] RET step() [L202] CALL, EXPR property() [L192-L193] return ((((((var_1_19 ? ((var_1_8 >= var_1_8) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - last_1_var_1_16) - (var_1_11 - ((((last_1_var_1_16) < 0 ) ? -(last_1_var_1_16) : (last_1_var_1_16)))))))) && ((((((var_1_16) < (var_1_9)) ? (var_1_16) : (var_1_9))) >= (var_1_16 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_16 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((last_1_var_1_12 * var_1_6))) ? ((- var_1_15)) : ((last_1_var_1_12 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((last_1_var_1_8) < (var_1_10)) ? (last_1_var_1_8) : (var_1_10)))) ? (last_1_var_1_19 ? (var_1_16 == ((signed long int) last_1_var_1_8)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_16 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (last_1_var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (last_1_var_1_1 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; [L202] RET, EXPR property() [L202] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=3, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=1073741823, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=254, var_1_37=256, var_1_38=10, var_1_40=6, var_1_42=4294966796, var_1_43=6, var_1_5=6, var_1_6=2, var_1_7=3, var_1_8=536871911, var_1_9=536870911] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=201/4, last_1_var_1_16=-500, last_1_var_1_17=1, last_1_var_1_19=0, last_1_var_1_1=401/4, last_1_var_1_8=2, var_1_10=1073741823, var_1_11=1073741823, var_1_12=3, var_1_14=4, var_1_15=5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=-4, var_1_23=1, var_1_25=32, var_1_27=0, var_1_28=500, var_1_29=498, var_1_30=-32767, var_1_32=1073741823, var_1_33=536870911, var_1_34=1, var_1_35=0, var_1_36=254, var_1_37=256, var_1_38=10, var_1_40=6, var_1_42=4294966796, var_1_43=6, var_1_5=6, var_1_6=2, var_1_7=3, var_1_8=536871911, var_1_9=536870911] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:53:50,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:52,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:52,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:53:52,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:52,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:52,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:52,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:52,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:52,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:52,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:52,967 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:52,968 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:52,968 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:52,970 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:52,970 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:52,971 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:52,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:52,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:52,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:52,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:52,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:52,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:52,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:52,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:52,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:52,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:53:52,977 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:53:52,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:52,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:52,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:52,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:52,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:53:52,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:52,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:52,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:52,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:52,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:52,982 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:53:52,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:52,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:52,984 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:52,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:52,985 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53771750ed79b304f951ed2efee283299d0f152cbb9771c135708f3631b16485 [2023-11-12 00:53:53,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:53,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:53,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:53,399 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:53,400 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:53,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2023-11-12 00:53:56,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:56,986 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:56,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2023-11-12 00:53:56,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data/4fe8df06b/2f26115cabdd4cb5906943d32ebcbf35/FLAGa28234af5 [2023-11-12 00:53:57,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/data/4fe8df06b/2f26115cabdd4cb5906943d32ebcbf35 [2023-11-12 00:53:57,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:57,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:57,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:57,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:57,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:57,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306ffe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57, skipping insertion in model container [2023-11-12 00:53:57,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:57,231 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2023-11-12 00:53:57,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:57,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:53:57,401 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_3336de92-910b-4fac-bc3f-d8ba345bc4fc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i[918,931] [2023-11-12 00:53:57,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:53:57,498 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:53:57,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57 WrapperNode [2023-11-12 00:53:57,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:57,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:57,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:53:57,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:53:57,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,590 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-11-12 00:53:57,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:53:57,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:53:57,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:53:57,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:53:57,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:53:57,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:53:57,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:53:57,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:53:57,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (1/1) ... [2023-11-12 00:53:57,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:57,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:53:57,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:53:57,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:53:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:53:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:53:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:53:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:53:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:53:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:53:57,894 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:53:57,897 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:11,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:11,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:11,624 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:54:11,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:11 BoogieIcfgContainer [2023-11-12 00:54:11,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:11,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:11,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:11,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:11,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:53:57" (1/3) ... [2023-11-12 00:54:11,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef3958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:11, skipping insertion in model container [2023-11-12 00:54:11,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:57" (2/3) ... [2023-11-12 00:54:11,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fef3958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:11, skipping insertion in model container [2023-11-12 00:54:11,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:11" (3/3) ... [2023-11-12 00:54:11,640 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-6.i [2023-11-12 00:54:11,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:11,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:54:11,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:54:11,741 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;@59b14b65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:54:11,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:54:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:54:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:54:11,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:11,772 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:11,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:11,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:11,783 INFO L85 PathProgramCache]: Analyzing trace with hash -977796709, now seen corresponding path program 1 times [2023-11-12 00:54:11,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:11,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660270736] [2023-11-12 00:54:11,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:11,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:11,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:11,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:54:11,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:54:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:12,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:54:13,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-12 00:54:13,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:13,131 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:13,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660270736] [2023-11-12 00:54:13,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660270736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:13,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:13,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340565098] [2023-11-12 00:54:13,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:13,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:54:13,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:13,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:54:13,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:54:13,196 INFO L87 Difference]: Start difference. First operand has 86 states, 57 states have (on average 1.456140350877193) internal successors, (83), 58 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:54:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:13,237 INFO L93 Difference]: Finished difference Result 165 states and 290 transitions. [2023-11-12 00:54:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:54:13,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2023-11-12 00:54:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:13,248 INFO L225 Difference]: With dead ends: 165 [2023-11-12 00:54:13,248 INFO L226 Difference]: Without dead ends: 82 [2023-11-12 00:54:13,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:54:13,257 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:13,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:54:13,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-12 00:54:13,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-12 00:54:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:54:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2023-11-12 00:54:13,313 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 171 [2023-11-12 00:54:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:13,313 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2023-11-12 00:54:13,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:54:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2023-11-12 00:54:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:54:13,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:13,320 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:13,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:54:13,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:13,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:13,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1122384105, now seen corresponding path program 1 times [2023-11-12 00:54:13,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:13,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731725062] [2023-11-12 00:54:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:13,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:13,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:13,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:54:13,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:54:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:14,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:54:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:54:16,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:16,643 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:16,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731725062] [2023-11-12 00:54:16,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731725062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:16,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:16,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:54:16,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622977311] [2023-11-12 00:54:16,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:16,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:54:16,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:16,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:54:16,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:16,648 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:54:18,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:21,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:23,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:25,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:25,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:25,769 INFO L93 Difference]: Finished difference Result 238 states and 368 transitions. [2023-11-12 00:54:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:54:25,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-12 00:54:25,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:25,810 INFO L225 Difference]: With dead ends: 238 [2023-11-12 00:54:25,810 INFO L226 Difference]: Without dead ends: 159 [2023-11-12 00:54:25,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:54:25,821 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 37 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:25,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 245 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 9.1s Time] [2023-11-12 00:54:25,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-12 00:54:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2023-11-12 00:54:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 00:54:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 241 transitions. [2023-11-12 00:54:25,855 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 241 transitions. Word has length 171 [2023-11-12 00:54:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:25,856 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 241 transitions. [2023-11-12 00:54:25,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:54:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 241 transitions. [2023-11-12 00:54:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:54:25,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:25,861 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:25,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:26,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:26,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:26,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:26,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1584235289, now seen corresponding path program 1 times [2023-11-12 00:54:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643760722] [2023-11-12 00:54:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:26,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:26,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:26,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:54:26,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:54:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:27,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:54:27,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:54:29,218 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:54:29,218 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:29,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643760722] [2023-11-12 00:54:29,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643760722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:54:29,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:54:29,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:54:29,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976874687] [2023-11-12 00:54:29,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:54:29,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:54:29,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:54:29,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:54:29,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:54:29,223 INFO L87 Difference]: Start difference. First operand 157 states and 241 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:54:32,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:34,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:36,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:38,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:54:38,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:54:38,667 INFO L93 Difference]: Finished difference Result 404 states and 619 transitions. [2023-11-12 00:54:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:54:38,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2023-11-12 00:54:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:54:38,839 INFO L225 Difference]: With dead ends: 404 [2023-11-12 00:54:38,844 INFO L226 Difference]: Without dead ends: 250 [2023-11-12 00:54:38,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:54:38,847 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 91 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:54:38,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 363 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 9.3s Time] [2023-11-12 00:54:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-12 00:54:38,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 218. [2023-11-12 00:54:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 136 states have internal predecessors, (178), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-12 00:54:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 334 transitions. [2023-11-12 00:54:38,941 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 334 transitions. Word has length 171 [2023-11-12 00:54:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:54:38,942 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 334 transitions. [2023-11-12 00:54:38,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-12 00:54:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 334 transitions. [2023-11-12 00:54:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-12 00:54:38,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:54:38,951 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:54:38,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:54:39,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:39,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:54:39,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:54:39,176 INFO L85 PathProgramCache]: Analyzing trace with hash -732006753, now seen corresponding path program 1 times [2023-11-12 00:54:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:54:39,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740508910] [2023-11-12 00:54:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:54:39,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:54:39,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:54:39,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 00:54:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:54:40,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:54:40,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:54:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 679 proven. 78 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2023-11-12 00:54:43,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:54:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:54:44,537 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:54:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740508910] [2023-11-12 00:54:44,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740508910] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:54:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1864186247] [2023-11-12 00:54:44,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:54:44,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:54:44,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:54:44,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:54:44,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3336de92-910b-4fac-bc3f-d8ba345bc4fc/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process