./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:13:28,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:28,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:13:28,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:28,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:28,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:28,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:28,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:28,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:28,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:28,467 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:28,468 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:28,468 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:28,469 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:13:28,469 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:28,470 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:28,470 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:13:28,471 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:13:28,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:28,483 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:13:28,483 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:13:28,484 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:13:28,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:28,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:28,485 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:28,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:13:28,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:28,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:28,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:28,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:28,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:28,488 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:28,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:28,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:28,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:28,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:28,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:28,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:28,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:28,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:28,492 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:13:28,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:13:28,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:28,493 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:28,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:28,494 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_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2023-11-19 05:13:28,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:28,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:28,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:28,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:28,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:28,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-19 05:13:32,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:32,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:32,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-19 05:13:32,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data/f6df66a8d/58eca6b72f5a413999b3a71d40318818/FLAGcec9f321a [2023-11-19 05:13:32,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data/f6df66a8d/58eca6b72f5a413999b3a71d40318818 [2023-11-19 05:13:32,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:32,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:32,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:32,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:32,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:32,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:32,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6115d341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32, skipping insertion in model container [2023-11-19 05:13:32,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:32,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:32,797 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_e67f5004-7fef-435c-aacb-32aba0997664/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-19 05:13:32,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:32,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:32,904 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_e67f5004-7fef-435c-aacb-32aba0997664/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-19 05:13:32,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:32,972 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:32,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32 WrapperNode [2023-11-19 05:13:32,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:32,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:32,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:32,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:32,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:32,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,082 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2023-11-19 05:13:33,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:33,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:33,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:33,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:33,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:33,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:33,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:33,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:33,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (1/1) ... [2023-11-19 05:13:33,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:33,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:33,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:33,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:33,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:33,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:33,406 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:33,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:33,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:34,281 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:34,281 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:34,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:34 BoogieIcfgContainer [2023-11-19 05:13:34,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:34,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:34,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:34,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:34,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:32" (1/3) ... [2023-11-19 05:13:34,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667236e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:34, skipping insertion in model container [2023-11-19 05:13:34,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:32" (2/3) ... [2023-11-19 05:13:34,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667236e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:34, skipping insertion in model container [2023-11-19 05:13:34,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:34" (3/3) ... [2023-11-19 05:13:34,301 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-19 05:13:34,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:34,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:34,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:34,398 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;@2613ec44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:34,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:34,402 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) [2023-11-19 05:13:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 05:13:34,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:34,421 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] [2023-11-19 05:13:34,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:34,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1867177313, now seen corresponding path program 1 times [2023-11-19 05:13:34,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:34,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668038595] [2023-11-19 05:13:34,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:34,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:34,742 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:13:34,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406645715] [2023-11-19 05:13:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:34,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:13:34,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:34,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:13:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:13:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:34,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:13:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:35,290 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:13:35,292 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:13:35,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:35,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:35,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:13:35,516 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:35,520 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:35,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:35 BoogieIcfgContainer [2023-11-19 05:13:35,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:35,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:35,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:35,738 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:35,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:34" (3/4) ... [2023-11-19 05:13:35,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:13:35,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:35,749 INFO L158 Benchmark]: Toolchain (without parser) took 3267.28ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 94.9MB in the beginning and 137.8MB in the end (delta: -42.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:35,750 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:35,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.88ms. Allocated memory is still 140.5MB. Free memory was 94.9MB in the beginning and 80.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:13:35,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.77ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 77.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:35,760 INFO L158 Benchmark]: Boogie Preprocessor took 52.34ms. Allocated memory is still 140.5MB. Free memory was 77.2MB in the beginning and 75.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:35,762 INFO L158 Benchmark]: RCFGBuilder took 1151.18ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 75.4MB in the beginning and 122.1MB in the end (delta: -46.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-19 05:13:35,762 INFO L158 Benchmark]: TraceAbstraction took 1445.66ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 138.8MB in the end (delta: -17.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 05:13:35,763 INFO L158 Benchmark]: Witness Printer took 9.22ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 137.8MB in the end (delta: 982.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:35,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.88ms. Allocated memory is still 140.5MB. Free memory was 94.9MB in the beginning and 80.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.77ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 77.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.34ms. Allocated memory is still 140.5MB. Free memory was 77.2MB in the beginning and 75.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.18ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 75.4MB in the beginning and 122.1MB in the end (delta: -46.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1445.66ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 138.8MB in the end (delta: -17.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 9.22ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 137.8MB in the end (delta: 982.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 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=61, 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=61, 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=61, 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=61, 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=61, 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=61, 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=61, 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=61, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, 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=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, 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=49278, 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=190, var_1_21=190, var_1_22=-8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=10, var_1_27=0, var_1_28=-10000, var_1_29=-2147483647, var_1_30=11/4, var_1_31=2, var_1_32=25, var_1_33=0, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=61, var_1_4=-63, var_1_5=33/2, var_1_6=-1, var_1_7=127, var_1_8=256] [L177] RET updateVariables() [L178] CALL step() [L58] COND TRUE var_1_24 > var_1_25 [L59] COND TRUE \read(var_1_23) [L60] var_1_22 = 8 [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 TRUE -64 > (var_1_6 + var_1_19) [L100] var_1_15 = (var_1_11 - var_1_7) [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=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=-128, var_1_19=-64, var_1_1=-2, var_1_20=190, var_1_21=190, var_1_22=8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=61, var_1_4=-63, var_1_5=33/4, var_1_6=-1, var_1_7=127, var_1_8=49278] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=-128, var_1_19=-64, var_1_1=-2, var_1_20=190, var_1_21=190, var_1_22=8, var_1_23=1, var_1_24=-2147483647, var_1_25=-2147483648, var_1_26=0, var_1_27=0, var_1_28=-2147483647, var_1_29=-2147483647, var_1_30=2, var_1_31=2, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=-32767, var_1_36=-32767, var_1_3=61, var_1_4=-63, var_1_5=33/4, var_1_6=-1, var_1_7=127, var_1_8=49278] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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 [2023-11-19 05:13:35,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:13:38,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:39,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:13:39,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:39,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:39,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:39,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:39,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:39,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:39,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:39,234 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:39,235 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:39,236 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:39,238 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:39,239 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:39,239 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:39,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:39,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:39,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:39,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:39,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:39,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:39,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:39,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:39,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:13:39,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:13:39,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:13:39,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:39,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:39,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:39,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:39,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:13:39,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:39,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:39,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:39,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:39,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:39,255 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:13:39,255 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:39,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:39,257 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:39,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:39,257 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_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2023-11-19 05:13:39,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:39,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:39,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:39,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:39,835 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:39,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-19 05:13:43,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:43,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:43,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-19 05:13:43,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data/3711c35da/d85279a471854978820da13d28330d13/FLAG009774765 [2023-11-19 05:13:43,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/data/3711c35da/d85279a471854978820da13d28330d13 [2023-11-19 05:13:43,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:43,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:43,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:43,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:43,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:43,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f92223b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43, skipping insertion in model container [2023-11-19 05:13:43,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,498 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:43,645 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_e67f5004-7fef-435c-aacb-32aba0997664/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-19 05:13:43,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:43,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:43,754 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_e67f5004-7fef-435c-aacb-32aba0997664/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-11-19 05:13:43,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:43,857 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:43,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43 WrapperNode [2023-11-19 05:13:43,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:43,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:43,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:43,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:43,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,952 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-19 05:13:43,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:43,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:43,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:43,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:43,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:43,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:44,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:44,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:44,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:44,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:44,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:44,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:44,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:44,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:44,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (1/1) ... [2023-11-19 05:13:44,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:44,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:44,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:44,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:13:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:44,202 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:44,205 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:44,609 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:44,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:44,620 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:44,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:44 BoogieIcfgContainer [2023-11-19 05:13:44,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:44,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:44,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:44,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:44,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:43" (1/3) ... [2023-11-19 05:13:44,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c589f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:44, skipping insertion in model container [2023-11-19 05:13:44,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:43" (2/3) ... [2023-11-19 05:13:44,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c589f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:44, skipping insertion in model container [2023-11-19 05:13:44,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:44" (3/3) ... [2023-11-19 05:13:44,634 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-11-19 05:13:44,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:44,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:44,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:44,736 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;@46e0e4bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:44,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:44,741 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) [2023-11-19 05:13:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 05:13:44,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:44,762 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] [2023-11-19 05:13:44,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:44,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:44,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1132790254, now seen corresponding path program 1 times [2023-11-19 05:13:44,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088767406] [2023-11-19 05:13:44,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:44,790 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 [2023-11-19 05:13:44,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:44,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:44,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:45,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:13:45,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2023-11-19 05:13:45,261 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:45,262 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:45,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088767406] [2023-11-19 05:13:45,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088767406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:45,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:45,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:13:45,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729908976] [2023-11-19 05:13:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:45,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:13:45,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:13:45,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:45,304 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) [2023-11-19 05:13:45,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:45,366 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2023-11-19 05:13:45,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:13:45,368 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 [2023-11-19 05:13:45,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:45,376 INFO L225 Difference]: With dead ends: 167 [2023-11-19 05:13:45,377 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 05:13:45,381 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 [2023-11-19 05:13:45,384 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 [2023-11-19 05:13:45,385 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] [2023-11-19 05:13:45,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 05:13:45,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 05:13:45,441 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) [2023-11-19 05:13:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2023-11-19 05:13:45,446 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 204 [2023-11-19 05:13:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:45,451 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2023-11-19 05:13:45,452 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) [2023-11-19 05:13:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-19 05:13:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 05:13:45,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:45,462 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] [2023-11-19 05:13:45,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:13:45,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:45,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:45,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:45,665 INFO L85 PathProgramCache]: Analyzing trace with hash 569352048, now seen corresponding path program 1 times [2023-11-19 05:13:45,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:45,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572002765] [2023-11-19 05:13:45,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:45,666 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 [2023-11-19 05:13:45,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:45,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:45,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:45,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:13:45,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 05:13:46,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:46,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:46,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572002765] [2023-11-19 05:13:46,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572002765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:46,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:46,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:13:46,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234980733] [2023-11-19 05:13:46,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:46,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:13:46,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:13:46,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:13:46,510 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) [2023-11-19 05:13:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:46,665 INFO L93 Difference]: Finished difference Result 242 states and 379 transitions. [2023-11-19 05:13:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:13:46,667 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 [2023-11-19 05:13:46,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:46,672 INFO L225 Difference]: With dead ends: 242 [2023-11-19 05:13:46,672 INFO L226 Difference]: Without dead ends: 162 [2023-11-19 05:13:46,675 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 [2023-11-19 05:13:46,676 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 [2023-11-19 05:13:46,677 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] [2023-11-19 05:13:46,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-19 05:13:46,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2023-11-19 05:13:46,711 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) [2023-11-19 05:13:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2023-11-19 05:13:46,715 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 204 [2023-11-19 05:13:46,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:46,716 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2023-11-19 05:13:46,717 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) [2023-11-19 05:13:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2023-11-19 05:13:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 05:13:46,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:46,721 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] [2023-11-19 05:13:46,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:46,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:46,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:46,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1378698674, now seen corresponding path program 1 times [2023-11-19 05:13:46,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:46,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413544345] [2023-11-19 05:13:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:46,930 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 [2023-11-19 05:13:46,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:46,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:46,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:47,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:13:47,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 966 proven. 141 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-11-19 05:13:48,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:13:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 05:13:48,441 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413544345] [2023-11-19 05:13:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413544345] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 05:13:48,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:13:48,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-19 05:13:48,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821597231] [2023-11-19 05:13:48,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:48,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:13:48,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:48,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:13:48,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:13:48,446 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) [2023-11-19 05:13:48,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:48,998 INFO L93 Difference]: Finished difference Result 421 states and 654 transitions. [2023-11-19 05:13:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:13:49,003 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 [2023-11-19 05:13:49,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:49,008 INFO L225 Difference]: With dead ends: 421 [2023-11-19 05:13:49,009 INFO L226 Difference]: Without dead ends: 264 [2023-11-19 05:13:49,010 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 [2023-11-19 05:13:49,012 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 [2023-11-19 05:13:49,012 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] [2023-11-19 05:13:49,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-19 05:13:49,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 205. [2023-11-19 05:13:49,082 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) [2023-11-19 05:13:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 313 transitions. [2023-11-19 05:13:49,085 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 313 transitions. Word has length 204 [2023-11-19 05:13:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:49,087 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 313 transitions. [2023-11-19 05:13:49,087 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) [2023-11-19 05:13:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 313 transitions. [2023-11-19 05:13:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 05:13:49,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:49,092 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] [2023-11-19 05:13:49,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:49,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:49,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:49,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:49,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1156158062, now seen corresponding path program 1 times [2023-11-19 05:13:49,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:49,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971900628] [2023-11-19 05:13:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:49,301 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 [2023-11-19 05:13:49,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:49,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:49,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:49,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:13:49,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1046 proven. 57 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2023-11-19 05:13:49,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:13:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-19 05:13:50,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:13:50,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971900628] [2023-11-19 05:13:50,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971900628] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:13:50,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1882460874] [2023-11-19 05:13:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:13:50,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:13:50,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 05:13:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:50,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:13:50,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 05:13:50,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:13:50,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1882460874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:50,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:13:50,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-11-19 05:13:50,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984986855] [2023-11-19 05:13:50,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:50,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:13:50,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:13:50,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:13:50,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:13:50,532 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) [2023-11-19 05:13:50,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:50,658 INFO L93 Difference]: Finished difference Result 424 states and 651 transitions. [2023-11-19 05:13:50,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:13:50,659 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 [2023-11-19 05:13:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:50,665 INFO L225 Difference]: With dead ends: 424 [2023-11-19 05:13:50,667 INFO L226 Difference]: Without dead ends: 313 [2023-11-19 05:13:50,668 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 [2023-11-19 05:13:50,669 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 [2023-11-19 05:13:50,671 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] [2023-11-19 05:13:50,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-19 05:13:50,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 218. [2023-11-19 05:13:50,743 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) [2023-11-19 05:13:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 331 transitions. [2023-11-19 05:13:50,747 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 331 transitions. Word has length 204 [2023-11-19 05:13:50,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:50,749 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 331 transitions. [2023-11-19 05:13:50,749 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) [2023-11-19 05:13:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 331 transitions. [2023-11-19 05:13:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 05:13:50,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:50,754 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] [2023-11-19 05:13:50,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:50,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:51,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:51,158 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:51,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:51,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1965504688, now seen corresponding path program 1 times [2023-11-19 05:13:51,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791850629] [2023-11-19 05:13:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:51,160 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 [2023-11-19 05:13:51,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:51,162 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:13:51,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:13:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:51,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:13:51,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:13:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 875 proven. 282 refuted. 0 times theorem prover too weak. 955 trivial. 0 not checked. [2023-11-19 05:13:54,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:02,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791850629] [2023-11-19 05:14:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791850629] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:02,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [620377483] [2023-11-19 05:14:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:02,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:02,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:02,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:02,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 05:14:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:03,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 05:14:03,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 913 proven. 207 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-19 05:14:12,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:19,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [620377483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:14:19,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3771449] [2023-11-19 05:14:19,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:19,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:19,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:19,012 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:19,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e67f5004-7fef-435c-aacb-32aba0997664/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 05:14:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:19,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 05:14:19,215 INFO L285 TraceCheckSpWp]: Computing forward predicates...