./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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_f68cee6b-7289-49ae-8af2-716b3a545e38/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 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:15,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:15,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:56:15,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:15,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:16,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:16,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:16,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:16,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:16,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:16,031 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:16,032 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:16,032 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:16,036 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:56:16,037 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:16,038 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:16,038 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:56:16,039 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:56:16,039 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:16,039 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:56:16,040 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:56:16,040 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:56:16,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:16,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:16,042 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:56:16,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:56:16,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:56:16,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:16,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:16,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:16,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:16,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:56:16,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:16,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:16,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:16,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:16,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:16,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:16,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:16,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:16,049 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:56:16,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:56:16,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:16,050 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:16,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:16,050 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_f68cee6b-7289-49ae-8af2-716b3a545e38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2023-11-12 00:56:16,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:16,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:16,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:16,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:16,357 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:16,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-12 00:56:19,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:19,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:19,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-12 00:56:19,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data/8f1cd8aae/71b45f5b4e4c4123b36163e623a9c615/FLAGdc7da4aa8 [2023-11-12 00:56:19,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data/8f1cd8aae/71b45f5b4e4c4123b36163e623a9c615 [2023-11-12 00:56:19,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:19,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:19,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:19,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:19,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:19,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:19" (1/1) ... [2023-11-12 00:56:19,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb22c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:19, skipping insertion in model container [2023-11-12 00:56:19,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:19" (1/1) ... [2023-11-12 00:56:19,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:56:20,001 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_f68cee6b-7289-49ae-8af2-716b3a545e38/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-12 00:56:20,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:20,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:56:20,095 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_f68cee6b-7289-49ae-8af2-716b3a545e38/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-12 00:56:20,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:20,154 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:56:20,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20 WrapperNode [2023-11-12 00:56:20,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:20,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:20,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:56:20,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:56:20,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,244 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2023-11-12 00:56:20,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:20,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:56:20,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:56:20,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:56:20,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:56:20,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:56:20,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:56:20,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:56:20,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (1/1) ... [2023-11-12 00:56:20,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:20,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:20,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:56:20,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:56:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:56:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:56:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:56:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:56:20,525 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:56:20,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:56:21,030 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:56:21,312 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:56:21,312 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:56:21,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:21 BoogieIcfgContainer [2023-11-12 00:56:21,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:56:21,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:56:21,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:56:21,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:56:21,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:56:19" (1/3) ... [2023-11-12 00:56:21,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30919a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:21, skipping insertion in model container [2023-11-12 00:56:21,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:20" (2/3) ... [2023-11-12 00:56:21,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30919a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:21, skipping insertion in model container [2023-11-12 00:56:21,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:21" (3/3) ... [2023-11-12 00:56:21,330 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-12 00:56:21,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:56:21,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:56:21,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:56:21,423 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;@1b8ebaf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:56:21,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:56:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:56:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-12 00:56:21,450 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:21,450 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:21,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:21,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:21,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1867177313, now seen corresponding path program 1 times [2023-11-12 00:56:21,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:21,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786935633] [2023-11-12 00:56:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:21,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:21,750 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:56:21,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688777875] [2023-11-12 00:56:21,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:21,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:56:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:21,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:56:21,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:56:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:56:22,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:56:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:56:22,368 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:56:22,371 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:56:22,372 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:56:22,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:22,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:56:22,586 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:56:22,590 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:56:22,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:56:22 BoogieIcfgContainer [2023-11-12 00:56:22,807 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:56:22,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:56:22,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:56:22,809 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:56:22,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:21" (3/4) ... [2023-11-12 00:56:22,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:56:22,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:56:22,817 INFO L158 Benchmark]: Toolchain (without parser) took 3014.17ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 116.5MB in the end (delta: 1.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,818 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:22,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.12ms. Allocated memory is still 163.6MB. Free memory was 117.9MB in the beginning and 103.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.45ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,822 INFO L158 Benchmark]: Boogie Preprocessor took 42.23ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,823 INFO L158 Benchmark]: RCFGBuilder took 1027.43ms. Allocated memory is still 163.6MB. Free memory was 98.4MB in the beginning and 100.1MB in the end (delta: -1.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,824 INFO L158 Benchmark]: TraceAbstraction took 1486.99ms. Allocated memory is still 163.6MB. Free memory was 100.1MB in the beginning and 117.5MB in the end (delta: -17.4MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,824 INFO L158 Benchmark]: Witness Printer took 8.12ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:56:22,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.12ms. Allocated memory is still 163.6MB. Free memory was 117.9MB in the beginning and 103.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.45ms. Allocated memory is still 163.6MB. Free memory was 103.7MB in the beginning and 100.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.23ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.43ms. Allocated memory is still 163.6MB. Free memory was 98.4MB in the beginning and 100.1MB in the end (delta: -1.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1486.99ms. Allocated memory is still 163.6MB. Free memory was 100.1MB in the beginning and 117.5MB in the end (delta: -17.4MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Witness Printer took 8.12ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 169. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned char var_1_23 = 1; [L41] signed long int var_1_24 = 5; [L42] signed long int var_1_25 = -128; [L43] unsigned long int var_1_26 = 10; [L44] unsigned long int var_1_27 = 5; [L45] signed long int var_1_28 = -10000; [L46] signed long int var_1_29 = 256; [L47] double var_1_30 = 2.75; [L48] double var_1_31 = 10.5; [L49] unsigned short int var_1_32 = 25; [L50] unsigned short int var_1_33 = 5; [L51] unsigned short int var_1_34 = 16; [L52] signed short int var_1_35 = 4; [L53] signed short int var_1_36 = 8; [L54] unsigned char last_1_var_1_12 = 1; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L166] last_1_var_1_12 = var_1_12 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L114] var_1_3 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L116] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L117] var_1_4 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L119] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L120] var_1_6 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L122] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L123] var_1_7 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L125] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L126] var_1_10 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L128] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L129] var_1_11 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L131] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L132] var_1_14 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L134] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L135] var_1_20 = __VERIFIER_nondet_short() [L136] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L137] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L138] var_1_21 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L140] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L141] var_1_23 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L143] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L144] var_1_24 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_24 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_24 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L146] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L147] var_1_25 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_25 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_25 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L149] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L150] var_1_27 = __VERIFIER_nondet_ulong() [L151] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L152] CALL assume_abort_if_not(var_1_27 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_27 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L153] var_1_29 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_29 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_29 >= -2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L155] CALL assume_abort_if_not(var_1_29 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_29 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L156] var_1_31 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L158] var_1_33 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L161] var_1_36 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_36 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=32766, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_36 >= -32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=32766, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_36 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=32766, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_36 <= 32766) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=32766, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=64, var_1_8=256] [L177] RET updateVariables() [L178] CALL step() [L58] COND FALSE !(var_1_24 > var_1_25) [L63] var_1_26 = var_1_27 [L64] var_1_28 = var_1_29 [L65] var_1_30 = var_1_31 [L66] var_1_32 = var_1_33 [L67] var_1_34 = var_1_33 [L68] var_1_35 = var_1_36 [L69] signed char stepLocal_1 = var_1_6; [L70] unsigned char stepLocal_0 = last_1_var_1_12; [L71] COND FALSE !(-25 == stepLocal_1) [L76] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) [L78] signed char stepLocal_2 = var_1_7; [L79] COND TRUE var_1_8 >= stepLocal_2 [L80] var_1_12 = (! var_1_14) [L82] COND TRUE \read(var_1_12) [L83] var_1_1 = (var_1_3 + var_1_4) [L85] COND TRUE var_1_4 >= (var_1_6 - var_1_7) [L86] COND TRUE \read(var_1_12) [L87] var_1_5 = 8.25 [L90] signed char stepLocal_4 = var_1_6; [L91] COND TRUE var_1_1 < stepLocal_4 [L92] var_1_18 = (var_1_6 - var_1_7) [L96] COND TRUE \read(var_1_12) [L97] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) [L99] COND FALSE !(-64 > (var_1_6 + var_1_19)) [L102] COND FALSE !(! var_1_12) [L108] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); [L109] COND FALSE !(var_1_19 > stepLocal_3) [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=0, var_1_1=126, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=2147483646, var_1_29=2147483646, var_1_30=2, var_1_31=2, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=32766, var_1_36=32766, var_1_3=63, var_1_4=63, var_1_5=33/4, var_1_6=127, var_1_7=64, var_1_8=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=63, var_1_19=0, var_1_1=126, var_1_20=16383, var_1_21=191, var_1_22=-8, var_1_23=0, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=2147483646, var_1_29=2147483646, var_1_30=2, var_1_31=2, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=32766, var_1_36=32766, var_1_3=63, var_1_4=63, var_1_5=33/4, var_1_6=127, var_1_7=64, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 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 00:56:22,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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_f68cee6b-7289-49ae-8af2-716b3a545e38/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 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:56:25,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:56:25,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:56:25,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:56:25,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:56:25,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:56:25,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:56:25,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:56:25,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:56:25,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:56:25,810 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:56:25,811 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:56:25,812 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:56:25,813 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:56:25,814 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:56:25,815 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:56:25,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:56:25,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:56:25,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:56:25,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:56:25,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:56:25,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:56:25,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:56:25,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:56:25,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:56:25,823 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:56:25,824 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:56:25,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:56:25,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:56:25,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:56:25,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:56:25,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:56:25,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:56:25,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:25,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:56:25,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:56:25,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:56:25,830 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:56:25,830 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:25,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:56:25,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:56:25,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:56:25,833 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_f68cee6b-7289-49ae-8af2-716b3a545e38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2023-11-12 00:56:26,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:56:26,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:56:26,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:56:26,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:56:26,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:56:26,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-12 00:56:29,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:56:30,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:56:30,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-12 00:56:30,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data/2002517f6/13d5998a28db41c9bdd04eb3b7480262/FLAG7482c73b1 [2023-11-12 00:56:30,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/data/2002517f6/13d5998a28db41c9bdd04eb3b7480262 [2023-11-12 00:56:30,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:56:30,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:56:30,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:30,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:56:30,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:56:30,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da78aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30, skipping insertion in model container [2023-11-12 00:56:30,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:56:30,382 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_f68cee6b-7289-49ae-8af2-716b3a545e38/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-12 00:56:30,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:30,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:56:30,534 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_f68cee6b-7289-49ae-8af2-716b3a545e38/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-12 00:56:30,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:56:30,585 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:56:30,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30 WrapperNode [2023-11-12 00:56:30,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:56:30,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:30,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:56:30,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:56:30,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,641 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-12 00:56:30,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:56:30,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:56:30,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:56:30,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:56:30,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:56:30,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:56:30,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:56:30,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:56:30,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (1/1) ... [2023-11-12 00:56:30,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:56:30,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:30,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:56:30,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:56:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:56:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:56:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:56:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:56:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:56:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:56:30,899 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:56:30,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:56:31,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:56:31,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:56:31,369 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:56:31,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:31 BoogieIcfgContainer [2023-11-12 00:56:31,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:56:31,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:56:31,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:56:31,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:56:31,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:56:30" (1/3) ... [2023-11-12 00:56:31,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7216eb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:31, skipping insertion in model container [2023-11-12 00:56:31,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:56:30" (2/3) ... [2023-11-12 00:56:31,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7216eb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:56:31, skipping insertion in model container [2023-11-12 00:56:31,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:56:31" (3/3) ... [2023-11-12 00:56:31,387 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-12 00:56:31,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:56:31,407 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:56:31,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:56:31,481 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;@3cbe0965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:56:31,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:56:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:56:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-12 00:56:31,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:31,514 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:31,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:31,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:31,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1132790254, now seen corresponding path program 1 times [2023-11-12 00:56:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:31,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081416532] [2023-11-12 00:56:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:31,542 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 00:56:31,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:31,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:31,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:31,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:56:31,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2023-11-12 00:56:32,020 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:32,021 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:32,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081416532] [2023-11-12 00:56:32,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081416532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:32,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:32,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:32,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499276758] [2023-11-12 00:56:32,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:32,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:56:32,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:32,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:56:32,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:56:32,080 INFO L87 Difference]: Start difference. First operand has 87 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-12 00:56:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:32,121 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2023-11-12 00:56:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:56:32,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2023-11-12 00:56:32,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:32,134 INFO L225 Difference]: With dead ends: 167 [2023-11-12 00:56:32,134 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 00:56:32,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 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 00:56:32,144 INFO L413 NwaCegarLoop]: 129 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, 129 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 00:56:32,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:56:32,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 00:56:32,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-12 00:56:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-12 00:56:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2023-11-12 00:56:32,208 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 204 [2023-11-12 00:56:32,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:32,209 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2023-11-12 00:56:32,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-12 00:56:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-12 00:56:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-12 00:56:32,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:32,215 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:32,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:32,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:32,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:32,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:32,423 INFO L85 PathProgramCache]: Analyzing trace with hash 569352048, now seen corresponding path program 1 times [2023-11-12 00:56:32,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:32,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039256530] [2023-11-12 00:56:32,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:32,430 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 00:56:32,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:32,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:32,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:32,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:56:32,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-12 00:56:33,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:33,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:33,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039256530] [2023-11-12 00:56:33,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039256530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:33,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:33,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:56:33,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058525192] [2023-11-12 00:56:33,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:33,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:33,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:33,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:33,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:33,384 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-12 00:56:33,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:33,507 INFO L93 Difference]: Finished difference Result 242 states and 379 transitions. [2023-11-12 00:56:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:33,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-12 00:56:33,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:33,521 INFO L225 Difference]: With dead ends: 242 [2023-11-12 00:56:33,524 INFO L226 Difference]: Without dead ends: 162 [2023-11-12 00:56:33,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:33,530 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 22 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:33,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 236 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:33,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-12 00:56:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2023-11-12 00:56:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-12 00:56:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2023-11-12 00:56:33,604 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 204 [2023-11-12 00:56:33,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:33,608 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2023-11-12 00:56:33,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-12 00:56:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2023-11-12 00:56:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-12 00:56:33,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:33,622 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:33,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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)] Ended with exit code 0 [2023-11-12 00:56:33,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:33,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:33,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:33,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1378698674, now seen corresponding path program 1 times [2023-11-12 00:56:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:33,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601165790] [2023-11-12 00:56:33,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:33,839 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 00:56:33,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:33,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:33,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:34,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:56:34,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 966 proven. 141 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-11-12 00:56:35,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-12 00:56:35,533 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:35,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601165790] [2023-11-12 00:56:35,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601165790] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:35,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:56:35,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-12 00:56:35,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578483920] [2023-11-12 00:56:35,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:35,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:56:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:35,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:56:35,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:56:35,538 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-12 00:56:36,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:36,118 INFO L93 Difference]: Finished difference Result 421 states and 654 transitions. [2023-11-12 00:56:36,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:56:36,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-12 00:56:36,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:36,124 INFO L225 Difference]: With dead ends: 421 [2023-11-12 00:56:36,124 INFO L226 Difference]: Without dead ends: 264 [2023-11-12 00:56:36,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:56:36,127 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 120 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:36,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 264 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 00:56:36,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-12 00:56:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 205. [2023-11-12 00:56:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 124 states have internal predecessors, (157), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-12 00:56:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 313 transitions. [2023-11-12 00:56:36,184 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 313 transitions. Word has length 204 [2023-11-12 00:56:36,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:36,185 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 313 transitions. [2023-11-12 00:56:36,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-12 00:56:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 313 transitions. [2023-11-12 00:56:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-12 00:56:36,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:36,189 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:36,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:36,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:36,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:36,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1156158062, now seen corresponding path program 1 times [2023-11-12 00:56:36,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:36,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043289350] [2023-11-12 00:56:36,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:36,405 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 00:56:36,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:36,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:36,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:36,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:56:36,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1046 proven. 57 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2023-11-12 00:56:37,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-12 00:56:37,339 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:37,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043289350] [2023-11-12 00:56:37,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043289350] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:56:37,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [408944935] [2023-11-12 00:56:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:37,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:37,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:56:37,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:56:37,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:56:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:37,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:56:37,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-12 00:56:37,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:37,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [408944935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:37,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:56:37,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-12 00:56:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608869929] [2023-11-12 00:56:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:37,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:56:37,718 INFO L87 Difference]: Start difference. First operand 205 states and 313 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-12 00:56:37,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:37,833 INFO L93 Difference]: Finished difference Result 424 states and 651 transitions. [2023-11-12 00:56:37,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:37,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-11-12 00:56:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:37,839 INFO L225 Difference]: With dead ends: 424 [2023-11-12 00:56:37,840 INFO L226 Difference]: Without dead ends: 313 [2023-11-12 00:56:37,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 601 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:56:37,843 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 117 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:37,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 237 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:37,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-12 00:56:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 218. [2023-11-12 00:56:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 137 states have internal predecessors, (175), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-12 00:56:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 331 transitions. [2023-11-12 00:56:37,925 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 331 transitions. Word has length 204 [2023-11-12 00:56:37,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:37,927 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 331 transitions. [2023-11-12 00:56:37,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-12 00:56:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 331 transitions. [2023-11-12 00:56:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-12 00:56:37,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:37,931 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:37,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-12 00:56:38,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:38,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:38,335 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:38,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1965504688, now seen corresponding path program 1 times [2023-11-12 00:56:38,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755535232] [2023-11-12 00:56:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:38,338 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 00:56:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:38,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/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 00:56:38,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-12 00:56:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:38,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:56:38,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 875 proven. 282 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-12 00:56:41,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:56:50,178 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:50,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755535232] [2023-11-12 00:56:50,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755535232] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:50,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [727935305] [2023-11-12 00:56:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:50,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:56:50,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:56:50,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:56:50,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-12 00:56:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:51,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:56:51,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 913 proven. 207 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-12 00:56:57,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:57:04,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [727935305] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:57:04,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834313989] [2023-11-12 00:57:04,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:57:04,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:57:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:57:04,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:57:04,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68cee6b-7289-49ae-8af2-716b3a545e38/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 00:57:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:57:04,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:57:04,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:57:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 875 proven. 282 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-12 00:57:07,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:57:11,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834313989] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:57:11,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:57:11,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 17] total 26 [2023-11-12 00:57:11,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969071550] [2023-11-12 00:57:11,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:57:11,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-12 00:57:11,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:57:11,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-12 00:57:11,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=888, Unknown=0, NotChecked=0, Total=1056 [2023-11-12 00:57:11,584 INFO L87 Difference]: Start difference. First operand 218 states and 331 transitions. Second operand has 26 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 26 states have internal predecessors, (109), 8 states have call successors, (61), 8 states have call predecessors, (61), 14 states have return successors, (62), 8 states have call predecessors, (62), 8 states have call successors, (62)