./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 55ef89218ca5703ca4bd9b4f4c9cb048907ae080294c44af1e1fe0026c4ad918 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:40,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:40,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:46:40,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:40,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:40,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:40,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:40,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:40,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:40,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:40,493 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:40,496 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:40,496 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:40,497 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:46:40,497 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:40,498 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:40,498 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:46:40,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:46:40,499 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:40,500 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:46:40,500 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:46:40,501 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:46:40,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:40,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:46:40,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:46:40,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:46:40,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:46:40,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:40,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:46:40,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:40,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:46:40,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:46:40,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:46:40,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:40,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:40,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:40,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:40,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:40,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:40,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:46:40,514 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:46:40,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:46:40,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:46:40,515 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:40,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:40,516 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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ef89218ca5703ca4bd9b4f4c9cb048907ae080294c44af1e1fe0026c4ad918 [2023-11-12 00:46:40,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:40,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:40,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:40,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:40,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:40,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i [2023-11-12 00:46:43,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:44,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:44,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i [2023-11-12 00:46:44,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data/efad02953/770af12a80204a45a9b3119ad02a7d7e/FLAG42c12b981 [2023-11-12 00:46:44,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data/efad02953/770af12a80204a45a9b3119ad02a7d7e [2023-11-12 00:46:44,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:44,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:44,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:44,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:44,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:44,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c89a159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44, skipping insertion in model container [2023-11-12 00:46:44,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:44,453 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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i[919,932] [2023-11-12 00:46:44,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:44,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:44,563 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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i[919,932] [2023-11-12 00:46:44,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:44,632 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:44,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44 WrapperNode [2023-11-12 00:46:44,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:44,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:44,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:44,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:44,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,732 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-12 00:46:44,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:44,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:44,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:44,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:44,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:44,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:44,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:44,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:44,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (1/1) ... [2023-11-12 00:46:44,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:44,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:44,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:46:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:46:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:46:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:45,107 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:45,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:45,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:46,034 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:46,034 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:46,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:46 BoogieIcfgContainer [2023-11-12 00:46:46,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:46,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:46,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:46,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:46,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:44" (1/3) ... [2023-11-12 00:46:46,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf189b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:46, skipping insertion in model container [2023-11-12 00:46:46,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:44" (2/3) ... [2023-11-12 00:46:46,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf189b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:46, skipping insertion in model container [2023-11-12 00:46:46,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:46" (3/3) ... [2023-11-12 00:46:46,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i [2023-11-12 00:46:46,093 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:46,094 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:46,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:46,180 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;@45181a40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:46,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 00:46:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-12 00:46:46,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:46,198 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:46,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:46,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:46,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1855048694, now seen corresponding path program 1 times [2023-11-12 00:46:46,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:46,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62358311] [2023-11-12 00:46:46,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:46,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:46,384 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:46:46,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [988747127] [2023-11-12 00:46:46,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:46,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:46,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:46,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:46:46,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:46:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:46,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:46:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:46:47,189 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:46:47,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:46:47,195 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:46:47,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:47,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:46:47,414 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:46:47,418 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:46:47,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:46:47 BoogieIcfgContainer [2023-11-12 00:46:47,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:46:47,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:46:47,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:46:47,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:46:47,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:46" (3/4) ... [2023-11-12 00:46:47,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:46:47,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:46:47,557 INFO L158 Benchmark]: Toolchain (without parser) took 3296.81ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 143.1MB in the beginning and 133.0MB in the end (delta: 10.1MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-12 00:46:47,558 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:47,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.48ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 131.1MB in the end (delta: 11.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-12 00:46:47,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.68ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 125.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:46:47,561 INFO L158 Benchmark]: Boogie Preprocessor took 70.12ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:46:47,562 INFO L158 Benchmark]: RCFGBuilder took 1233.00ms. Allocated memory is still 174.1MB. Free memory was 122.7MB in the beginning and 72.0MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-12 00:46:47,564 INFO L158 Benchmark]: TraceAbstraction took 1504.34ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 71.1MB in the beginning and 133.0MB in the end (delta: -61.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:47,566 INFO L158 Benchmark]: Witness Printer took 10.93ms. Allocated memory is still 209.7MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:46:47,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.48ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 131.1MB in the end (delta: 11.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.68ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 125.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.12ms. Allocated memory is still 174.1MB. Free memory was 125.6MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1233.00ms. Allocated memory is still 174.1MB. Free memory was 122.7MB in the beginning and 72.0MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1504.34ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 71.1MB in the beginning and 133.0MB in the end (delta: -61.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.93ms. Allocated memory is still 209.7MB. Free memory is still 133.0MB. 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 someBinaryDOUBLEComparisonOperation at line 54, overapproximation of bitwiseOr at line 60, overapproximation of someBinaryArithmeticDOUBLEoperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] signed long int var_1_24 = -25; [L40] signed short int var_1_25 = -100; [L41] unsigned char var_1_28 = 1; [L42] unsigned long int var_1_30 = 0; [L43] unsigned char var_1_31 = 64; [L44] unsigned char var_1_33 = 128; [L45] unsigned char var_1_34 = 100; [L46] unsigned char var_1_35 = 4; [L47] unsigned short int last_1_var_1_5 = 0; [L48] unsigned char last_1_var_1_15 = 1; [L49] unsigned char last_1_var_1_18 = 1; [L50] unsigned long int last_1_var_1_19 = 1; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L179] last_1_var_1_5 = var_1_5 [L180] last_1_var_1_15 = var_1_15 [L181] last_1_var_1_18 = var_1_18 [L182] last_1_var_1_19 = var_1_19 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L148] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L149] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L150] var_1_6 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L152] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L153] var_1_7 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L155] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L156] var_1_10 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L158] var_1_11 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L160] var_1_12 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L162] var_1_14 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L164] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L165] var_1_16 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L167] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L168] var_1_33 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L170] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=100, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L171] var_1_34 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L173] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=4, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L174] var_1_35 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=0, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=0, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L176] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=0, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=64, var_1_33=254, var_1_34=127, var_1_35=0, var_1_4=25, var_1_5=0, var_1_6=32767, var_1_7=32743, var_1_8=1289/10] [L193] RET updateVariables() [L194] CALL step() [L54] COND TRUE var_1_12 == var_1_10 [L55] var_1_20 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L57] COND TRUE ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) > ((((128.5f) < (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (128.5f) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) [L58] var_1_24 = ((((var_1_4) > (var_1_4)) ? (var_1_4) : (var_1_4))) [L60] EXPR var_1_14 | var_1_6 [L60] COND TRUE (var_1_4 / var_1_6) < (var_1_14 | var_1_6) [L61] COND FALSE !((- var_1_12) >= 256.75f) [L67] EXPR var_1_6 ^ (~ var_1_17) [L67] COND FALSE !((var_1_6 ^ (~ var_1_17)) >= var_1_17) [L70] COND TRUE var_1_19 < var_1_6 [L71] COND FALSE !(var_1_12 <= var_1_12) [L75] COND FALSE !(var_1_4 < ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L90] var_1_31 = var_1_14 [L92] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; [L93] COND TRUE \read(last_1_var_1_18) [L94] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L95] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) [L102] COND TRUE var_1_12 != var_1_8 [L103] var_1_15 = (! var_1_16) [L107] var_1_17 = var_1_4 [L108] var_1_18 = var_1_16 [L109] var_1_19 = var_1_4 [L110] unsigned short int stepLocal_1 = var_1_17; [L111] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); [L112] COND FALSE !(stepLocal_0 && var_1_15) [L123] var_1_1 = var_1_17 [L125] unsigned short int stepLocal_2 = var_1_17; [L126] COND FALSE !(stepLocal_2 < last_1_var_1_5) [L129] COND TRUE ! var_1_15 [L130] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))) [L133] unsigned short int stepLocal_5 = var_1_6; [L134] unsigned short int stepLocal_4 = var_1_5; [L135] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) [L136] COND FALSE !(var_1_5 <= stepLocal_5) [L139] var_1_13 = var_1_14 [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=25, var_1_18=1, var_1_19=25, var_1_1=25, var_1_20=25, var_1_24=25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=1, var_1_33=254, var_1_34=127, var_1_35=0, var_1_4=25, var_1_5=32768, var_1_6=32767, var_1_7=32743, var_1_8=509/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=25, var_1_18=1, var_1_19=25, var_1_1=25, var_1_20=25, var_1_24=25, var_1_25=-100, var_1_28=1, var_1_30=0, var_1_31=1, var_1_33=254, var_1_34=127, var_1_35=0, var_1_4=25, var_1_5=32768, var_1_6=32767, var_1_7=32743, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 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 00:46:47,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 55ef89218ca5703ca4bd9b4f4c9cb048907ae080294c44af1e1fe0026c4ad918 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:50,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:50,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:46:50,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:50,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:50,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:50,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:50,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:50,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:50,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:50,450 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:50,451 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:50,451 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:50,453 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:50,454 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:50,454 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:50,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:50,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:46:50,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:46:50,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:46:50,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:50,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:46:50,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:50,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:46:50,459 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:46:50,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:46:50,460 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:46:50,461 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:46:50,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:46:50,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:50,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:50,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:46:50,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:50,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:50,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:50,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:50,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:46:50,465 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:46:50,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:46:50,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:46:50,466 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:50,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:50,467 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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ef89218ca5703ca4bd9b4f4c9cb048907ae080294c44af1e1fe0026c4ad918 [2023-11-12 00:46:50,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:50,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:50,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:50,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:50,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:50,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i [2023-11-12 00:46:54,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:54,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:54,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i [2023-11-12 00:46:54,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data/10f055820/80213fee68894929957683df486eaa47/FLAG476070c08 [2023-11-12 00:46:54,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/data/10f055820/80213fee68894929957683df486eaa47 [2023-11-12 00:46:54,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:54,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:54,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:54,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:54,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:54,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e0bc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54, skipping insertion in model container [2023-11-12 00:46:54,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:54,600 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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i[919,932] [2023-11-12 00:46:54,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:54,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:54,758 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_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i[919,932] [2023-11-12 00:46:54,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:54,834 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:54,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54 WrapperNode [2023-11-12 00:46:54,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:54,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:54,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:54,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:54,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,922 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-12 00:46:54,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:54,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:54,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:54,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:54,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:54,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:55,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:55,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:55,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:55,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (1/1) ... [2023-11-12 00:46:55,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:55,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:55,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:46:55,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:46:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:46:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:55,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:55,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:56,285 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:56,292 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:56,293 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:56,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:56 BoogieIcfgContainer [2023-11-12 00:46:56,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:56,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:56,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:56,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:56,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:54" (1/3) ... [2023-11-12 00:46:56,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a2b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:56, skipping insertion in model container [2023-11-12 00:46:56,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:54" (2/3) ... [2023-11-12 00:46:56,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a2b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:56, skipping insertion in model container [2023-11-12 00:46:56,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:56" (3/3) ... [2023-11-12 00:46:56,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-59.i [2023-11-12 00:46:56,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:56,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:56,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:56,422 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;@8562ecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:56,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 00:46:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:46:56,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:56,445 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:56,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:56,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:56,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1250765113, now seen corresponding path program 1 times [2023-11-12 00:46:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:56,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912232052] [2023-11-12 00:46:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:56,469 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 00:46:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:56,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:56,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:56,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:46:56,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-12 00:46:56,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:56,956 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:56,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912232052] [2023-11-12 00:46:56,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912232052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:56,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:56,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:46:56,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238017282] [2023-11-12 00:46:56,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:56,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:46:56,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:57,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:46:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:46:57,016 INFO L87 Difference]: Start difference. First operand has 75 states, 52 states have (on average 1.5) internal successors, (78), 53 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 00:46:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:57,081 INFO L93 Difference]: Finished difference Result 140 states and 244 transitions. [2023-11-12 00:46:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:46:57,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2023-11-12 00:46:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:57,099 INFO L225 Difference]: With dead ends: 140 [2023-11-12 00:46:57,099 INFO L226 Difference]: Without dead ends: 68 [2023-11-12 00:46:57,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 00:46:57,113 INFO L413 NwaCegarLoop]: 103 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, 103 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 00:46:57,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:46:57,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-12 00:46:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-12 00:46:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 00:46:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 103 transitions. [2023-11-12 00:46:57,191 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 103 transitions. Word has length 135 [2023-11-12 00:46:57,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:57,192 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 103 transitions. [2023-11-12 00:46:57,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 00:46:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2023-11-12 00:46:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:46:57,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:57,208 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:57,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:46:57,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:57,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:57,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:57,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1072053521, now seen corresponding path program 1 times [2023-11-12 00:46:57,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:57,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609262134] [2023-11-12 00:46:57,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:57,423 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 00:46:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:57,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:57,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:57,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:46:57,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 00:46:58,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:46:58,426 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:46:58,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609262134] [2023-11-12 00:46:58,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609262134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:58,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:58,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:58,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924268274] [2023-11-12 00:46:58,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:58,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:46:58,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:46:58,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:46:58,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:46:58,431 INFO L87 Difference]: Start difference. First operand 68 states and 103 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:46:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:59,704 INFO L93 Difference]: Finished difference Result 199 states and 304 transitions. [2023-11-12 00:46:59,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:46:59,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2023-11-12 00:46:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:59,724 INFO L225 Difference]: With dead ends: 199 [2023-11-12 00:46:59,725 INFO L226 Difference]: Without dead ends: 134 [2023-11-12 00:46:59,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:46:59,728 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 74 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:59,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 293 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 00:46:59,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-12 00:46:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 115. [2023-11-12 00:46:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 72 states have internal predecessors, (95), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 00:46:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2023-11-12 00:46:59,761 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 135 [2023-11-12 00:46:59,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:59,762 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2023-11-12 00:46:59,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:46:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2023-11-12 00:46:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:46:59,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:59,765 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:59,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:59,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:59,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:59,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1569272234, now seen corresponding path program 1 times [2023-11-12 00:46:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:46:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126803193] [2023-11-12 00:46:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:59,975 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 00:46:59,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:46:59,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:46:59,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:47:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:00,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:47:00,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:00,877 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 00:47:00,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:47:00,878 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:00,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126803193] [2023-11-12 00:47:00,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126803193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:00,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:00,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:47:00,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393359852] [2023-11-12 00:47:00,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:00,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:47:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:47:00,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:47:00,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:47:00,883 INFO L87 Difference]: Start difference. First operand 115 states and 175 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:47:02,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:02,941 INFO L93 Difference]: Finished difference Result 255 states and 387 transitions. [2023-11-12 00:47:02,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:47:02,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2023-11-12 00:47:02,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:02,968 INFO L225 Difference]: With dead ends: 255 [2023-11-12 00:47:02,968 INFO L226 Difference]: Without dead ends: 190 [2023-11-12 00:47:02,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:47:02,971 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 99 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:02,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 281 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-12 00:47:02,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-12 00:47:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 178. [2023-11-12 00:47:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 114 states have (on average 1.3333333333333333) internal successors, (152), 114 states have internal predecessors, (152), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 00:47:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 272 transitions. [2023-11-12 00:47:03,018 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 272 transitions. Word has length 136 [2023-11-12 00:47:03,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:03,019 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 272 transitions. [2023-11-12 00:47:03,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 00:47:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2023-11-12 00:47:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-12 00:47:03,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:03,022 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:03,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:47:03,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:47:03,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:03,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:03,237 INFO L85 PathProgramCache]: Analyzing trace with hash -9015738, now seen corresponding path program 1 times [2023-11-12 00:47:03,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:03,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314694422] [2023-11-12 00:47:03,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:03,238 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 00:47:03,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:03,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:47:03,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:47:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:03,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:47:03,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-12 00:47:03,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-12 00:47:04,218 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:47:04,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314694422] [2023-11-12 00:47:04,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314694422] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:47:04,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1719102567] [2023-11-12 00:47:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:04,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:47:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:47:04,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:47:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:47:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:05,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:47:05,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-12 00:47:05,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:06,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1719102567] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:47:06,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256008157] [2023-11-12 00:47:06,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:06,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:06,032 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:47:06,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:47:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:06,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:47:06,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-12 00:47:07,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256008157] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:47:08,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-12 00:47:08,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5] total 13 [2023-11-12 00:47:08,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240081609] [2023-11-12 00:47:08,038 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-12 00:47:08,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:47:08,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:47:08,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:47:08,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:47:08,041 INFO L87 Difference]: Start difference. First operand 178 states and 272 transitions. Second operand has 13 states, 13 states have (on average 8.23076923076923) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (63), 5 states have call predecessors, (63), 8 states have return successors, (65), 5 states have call predecessors, (65), 5 states have call successors, (65) [2023-11-12 00:47:12,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:12,152 INFO L93 Difference]: Finished difference Result 424 states and 618 transitions. [2023-11-12 00:47:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-12 00:47:12,154 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.23076923076923) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (63), 5 states have call predecessors, (63), 8 states have return successors, (65), 5 states have call predecessors, (65), 5 states have call successors, (65) Word has length 137 [2023-11-12 00:47:12,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:12,159 INFO L225 Difference]: With dead ends: 424 [2023-11-12 00:47:12,159 INFO L226 Difference]: Without dead ends: 290 [2023-11-12 00:47:12,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 667 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=409, Invalid=1483, Unknown=0, NotChecked=0, Total=1892 [2023-11-12 00:47:12,176 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 403 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:12,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 385 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-12 00:47:12,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-11-12 00:47:12,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 211. [2023-11-12 00:47:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 141 states have (on average 1.24822695035461) internal successors, (176), 141 states have internal predecessors, (176), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 00:47:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 296 transitions. [2023-11-12 00:47:12,261 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 296 transitions. Word has length 137 [2023-11-12 00:47:12,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:12,263 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 296 transitions. [2023-11-12 00:47:12,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.23076923076923) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (63), 5 states have call predecessors, (63), 8 states have return successors, (65), 5 states have call predecessors, (65), 5 states have call successors, (65) [2023-11-12 00:47:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 296 transitions. [2023-11-12 00:47:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 00:47:12,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:12,267 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:12,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:12,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:12,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:47:12,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:47:12,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:12,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash -175423778, now seen corresponding path program 1 times [2023-11-12 00:47:12,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:47:12,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586842411] [2023-11-12 00:47:12,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:12,878 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 00:47:12,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:47:12,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/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 00:47:12,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc972f4-ad54-47b8-86e9-a8daac0d6b0b/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-12 00:47:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:13,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 00:47:13,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:47:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 279 proven. 162 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2023-11-12 00:47:17,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:47:37,153 WARN L293 SmtUtils]: Spent 11.33s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)