./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.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_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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_92f1ea74-9126-4f38-8748-1aedff972327/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 e51b45edcf8f68c10b32ce16709cfc1efc4cc1c7ec847560d5401a660e4d2eca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:32,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:32,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:20:32,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:32,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:32,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:32,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:32,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:32,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:32,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:32,646 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:32,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:32,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:32,648 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:20:32,648 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:32,649 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:32,650 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:20:32,650 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:20:32,651 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:32,652 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:20:32,652 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:20:32,653 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:20:32,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:32,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:32,656 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:32,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:20:32,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:32,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:32,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:32,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:32,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:32,660 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:32,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:32,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:32,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:32,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:32,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:32,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:32,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:32,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:32,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:20:32,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:20:32,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:32,667 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:32,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:32,668 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_92f1ea74-9126-4f38-8748-1aedff972327/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b45edcf8f68c10b32ce16709cfc1efc4cc1c7ec847560d5401a660e4d2eca [2023-11-19 05:20:32,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:32,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:32,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:32,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:32,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:32,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i [2023-11-19 05:20:36,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:36,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:36,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i [2023-11-19 05:20:36,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data/55b0af01b/5192f26e879a465db6520ff417f6d07d/FLAG81e8561c7 [2023-11-19 05:20:36,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data/55b0af01b/5192f26e879a465db6520ff417f6d07d [2023-11-19 05:20:36,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:36,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:36,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:36,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:36,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:36,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:36" (1/1) ... [2023-11-19 05:20:36,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5087a5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:36, skipping insertion in model container [2023-11-19 05:20:36,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:36" (1/1) ... [2023-11-19 05:20:37,018 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:37,221 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_92f1ea74-9126-4f38-8748-1aedff972327/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i[915,928] [2023-11-19 05:20:37,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:37,353 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:37,368 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_92f1ea74-9126-4f38-8748-1aedff972327/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i[915,928] [2023-11-19 05:20:37,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:37,433 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:37,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37 WrapperNode [2023-11-19 05:20:37,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:37,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:37,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:37,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:37,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,515 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-19 05:20:37,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:37,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:37,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:37,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:37,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:37,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:37,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:37,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:37,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (1/1) ... [2023-11-19 05:20:37,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:37,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:37,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:37,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:20:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:37,859 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:37,863 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:38,431 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:38,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:38,740 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:38,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:38 BoogieIcfgContainer [2023-11-19 05:20:38,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:38,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:38,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:38,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:38,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:36" (1/3) ... [2023-11-19 05:20:38,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62060fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:38, skipping insertion in model container [2023-11-19 05:20:38,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:37" (2/3) ... [2023-11-19 05:20:38,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62060fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:38, skipping insertion in model container [2023-11-19 05:20:38,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:38" (3/3) ... [2023-11-19 05:20:38,759 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-70.i [2023-11-19 05:20:38,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:38,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:38,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:38,860 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;@2263087d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:38,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:20:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:20:38,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:38,884 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:38,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:38,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1170697551, now seen corresponding path program 1 times [2023-11-19 05:20:38,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:38,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764812846] [2023-11-19 05:20:38,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:38,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:39,135 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:20:39,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205840161] [2023-11-19 05:20:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:39,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:39,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:39,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:39,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:20:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:39,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:20:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:39,988 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:20:39,992 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:20:39,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:40,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:40,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:20:40,209 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:20:40,213 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:40,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:40 BoogieIcfgContainer [2023-11-19 05:20:40,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:40,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:40,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:40,366 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:40,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:38" (3/4) ... [2023-11-19 05:20:40,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:20:40,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:40,372 INFO L158 Benchmark]: Toolchain (without parser) took 3438.72ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 89.1MB in the beginning and 155.3MB in the end (delta: -66.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-19 05:20:40,373 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:40,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.40ms. Allocated memory is still 136.3MB. Free memory was 89.1MB in the beginning and 73.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:40,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.63ms. Allocated memory is still 136.3MB. Free memory was 73.9MB in the beginning and 69.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:40,375 INFO L158 Benchmark]: Boogie Preprocessor took 69.01ms. Allocated memory is still 136.3MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:40,376 INFO L158 Benchmark]: RCFGBuilder took 1144.67ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 67.6MB in the beginning and 138.0MB in the end (delta: -70.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-19 05:20:40,377 INFO L158 Benchmark]: TraceAbstraction took 1614.59ms. Allocated memory is still 205.5MB. Free memory was 136.9MB in the beginning and 156.3MB in the end (delta: -19.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:40,378 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 205.5MB. Free memory was 156.3MB in the beginning and 155.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:40,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.40ms. Allocated memory is still 136.3MB. Free memory was 89.1MB in the beginning and 73.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.63ms. Allocated memory is still 136.3MB. Free memory was 73.9MB in the beginning and 69.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.01ms. Allocated memory is still 136.3MB. Free memory was 69.7MB in the beginning and 67.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1144.67ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 67.6MB in the beginning and 138.0MB in the end (delta: -70.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1614.59ms. Allocated memory is still 205.5MB. Free memory was 136.9MB in the beginning and 156.3MB in the end (delta: -19.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 205.5MB. Free memory was 156.3MB in the beginning and 155.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 72, overapproximation of someUnaryDOUBLEoperation at line 70, overapproximation of someBinaryArithmeticDOUBLEoperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] unsigned short int var_1_21 = 25; [L38] unsigned short int var_1_22 = 5; [L39] unsigned short int var_1_23 = 8; [L40] signed long int var_1_24 = 0; [L41] unsigned short int var_1_25 = 5; [L42] unsigned short int var_1_26 = 1; [L43] unsigned long int var_1_27 = 16; [L44] unsigned short int var_1_30 = 50; [L45] signed long int var_1_31 = 1000; [L46] float var_1_32 = 32.5; [L47] double var_1_33 = 9999999999.2; [L48] double var_1_34 = 5.5; [L49] double var_1_35 = 4.25; [L50] signed long int var_1_36 = 2; [L51] double last_1_var_1_1 = 5.05; [L52] unsigned short int last_1_var_1_9 = 1; [L53] unsigned long int last_1_var_1_11 = 8; [L54] unsigned char last_1_var_1_14 = 32; [L55] unsigned char last_1_var_1_20 = 0; [L165] isInitial = 1 [L166] FCALL initially() [L167] COND TRUE 1 [L168] CALL updateLastVariables() [L154] last_1_var_1_1 = var_1_1 [L155] last_1_var_1_9 = var_1_9 [L156] last_1_var_1_11 = var_1_11 [L157] last_1_var_1_14 = var_1_14 [L158] last_1_var_1_20 = var_1_20 [L168] RET updateLastVariables() [L169] CALL updateVariables() [L109] var_1_6 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L111] var_1_7 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=67/4, var_1_9=1] [L113] var_1_8 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L118] var_1_15 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L120] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L121] var_1_16 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L123] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L124] var_1_17 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L126] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L127] var_1_19 = __VERIFIER_nondet_ulong() [L128] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L129] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=5, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L130] var_1_22 = __VERIFIER_nondet_ushort() [L131] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_22 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_22 <= 65535) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=8, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L133] var_1_23 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L135] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L136] var_1_24 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_24 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_24 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L138] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=5, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L139] var_1_25 = __VERIFIER_nondet_ushort() [L140] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_25 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_25 <= 32767) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=1, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L142] var_1_26 = __VERIFIER_nondet_ushort() [L143] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=50, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L145] var_1_30 = __VERIFIER_nondet_ushort() [L146] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_30 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_30 <= 65535) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=11/2, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L148] var_1_34 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=4, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=4, var_1_35=17/4, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L150] var_1_35 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=4, var_1_35=5, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=4294967272, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1000, var_1_32=65/2, var_1_33=49999999996/5, var_1_34=4, var_1_35=5, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=1] [L169] RET updateVariables() [L170] CALL step() [L59] COND TRUE ((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23))) > var_1_24 [L60] var_1_21 = (((((10 + var_1_25)) < (var_1_26)) ? ((10 + var_1_25)) : (var_1_26))) [L62] COND FALSE !(var_1_25 < (- var_1_23)) [L67] var_1_31 = var_1_30 [L68] var_1_32 = 256.25f [L69] COND TRUE ((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) <= var_1_30 [L70] var_1_33 = ((((((((5.8) > (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34))))) ? (5.8) : (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34))))))) > (var_1_35)) ? (((((5.8) > (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34))))) ? (5.8) : (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34))))))) : (var_1_35))) [L72] EXPR var_1_21 | 100 [L72] COND FALSE !(var_1_23 > (var_1_24 + (var_1_21 | 100))) [L75] COND TRUE \read(var_1_13) [L76] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) [L80] COND TRUE var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1))) [L81] COND TRUE ! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20)) [L82] COND TRUE ! (var_1_6 <= var_1_7) [L83] var_1_9 = ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))) [L89] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L90] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) [L94] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); [L95] COND FALSE !(var_1_18 >= stepLocal_0) [L98] var_1_1 = var_1_7 [L100] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L101] var_1_20 = var_1_13 [L103] COND TRUE \read(var_1_20) [L104] var_1_12 = var_1_13 [L106] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) [L170] RET step() [L171] CALL, EXPR property() [L161-L162] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; [L171] RET, EXPR property() [L171] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=66, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=4294967263, var_1_19=4294967272, var_1_1=2, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1, var_1_32=1025/4, var_1_33=29/5, var_1_34=4, var_1_35=5, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=66, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=4294967263, var_1_19=4294967272, var_1_1=2, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=-1, var_1_25=0, var_1_26=0, var_1_27=16, var_1_30=1, var_1_31=1, var_1_32=1025/4, var_1_33=29/5, var_1_34=4, var_1_35=5, var_1_36=2, var_1_7=2, var_1_8=3, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 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 05:20:40,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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_92f1ea74-9126-4f38-8748-1aedff972327/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 e51b45edcf8f68c10b32ce16709cfc1efc4cc1c7ec847560d5401a660e4d2eca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:43,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:43,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:20:43,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:43,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:43,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:43,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:43,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:43,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:43,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:43,798 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:43,798 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:43,799 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:43,801 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:43,802 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:43,802 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:43,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:43,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:43,805 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:43,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:43,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:43,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:43,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:43,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:43,810 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:20:43,810 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:20:43,811 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:20:43,811 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:43,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:43,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:43,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:43,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:20:43,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:43,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:43,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:43,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:43,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:43,817 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:20:43,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:43,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:43,819 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:43,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:43,820 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_92f1ea74-9126-4f38-8748-1aedff972327/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b45edcf8f68c10b32ce16709cfc1efc4cc1c7ec847560d5401a660e4d2eca [2023-11-19 05:20:44,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:44,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:44,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:44,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:44,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:44,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i [2023-11-19 05:20:47,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:47,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:47,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i [2023-11-19 05:20:47,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data/12d769cde/0ce4a7d046af47659f3762ebf4d6f8e8/FLAGfc0a83f89 [2023-11-19 05:20:47,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/data/12d769cde/0ce4a7d046af47659f3762ebf4d6f8e8 [2023-11-19 05:20:47,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:47,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:47,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:47,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:47,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:47,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557a5bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:47, skipping insertion in model container [2023-11-19 05:20:47,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:47" (1/1) ... [2023-11-19 05:20:47,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:48,140 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_92f1ea74-9126-4f38-8748-1aedff972327/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i[915,928] [2023-11-19 05:20:48,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:48,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:48,322 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_92f1ea74-9126-4f38-8748-1aedff972327/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-70.i[915,928] [2023-11-19 05:20:48,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:48,381 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:48,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48 WrapperNode [2023-11-19 05:20:48,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:48,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:48,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:48,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:48,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,442 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-19 05:20:48,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:48,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:48,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:48,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:48,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:48,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:48,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:48,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:48,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (1/1) ... [2023-11-19 05:20:48,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:48,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:48,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:48,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:20:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:48,809 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:48,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:53,623 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:53,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:53,642 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:53,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:53 BoogieIcfgContainer [2023-11-19 05:20:53,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:53,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:53,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:53,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:53,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:47" (1/3) ... [2023-11-19 05:20:53,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63716838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:53, skipping insertion in model container [2023-11-19 05:20:53,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:48" (2/3) ... [2023-11-19 05:20:53,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63716838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:53, skipping insertion in model container [2023-11-19 05:20:53,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:53" (3/3) ... [2023-11-19 05:20:53,667 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-70.i [2023-11-19 05:20:53,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:53,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:53,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:53,771 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;@21fee202, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:53,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:20:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:20:53,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:53,809 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:53,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:53,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:53,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1941191196, now seen corresponding path program 1 times [2023-11-19 05:20:53,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:53,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607950439] [2023-11-19 05:20:53,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:53,833 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 05:20:53,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:53,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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 05:20:53,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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 05:20:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:54,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:20:54,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-11-19 05:20:54,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:54,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:54,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607950439] [2023-11-19 05:20:54,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607950439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:54,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:54,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:20:54,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035653151] [2023-11-19 05:20:54,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:54,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:20:54,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:54,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:20:54,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:54,652 INFO L87 Difference]: Start difference. First operand has 78 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:20:54,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:54,692 INFO L93 Difference]: Finished difference Result 148 states and 259 transitions. [2023-11-19 05:20:54,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:20:54,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 173 [2023-11-19 05:20:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:54,707 INFO L225 Difference]: With dead ends: 148 [2023-11-19 05:20:54,710 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:20:54,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 05:20:54,722 INFO L413 NwaCegarLoop]: 109 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, 109 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 05:20:54,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:20:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:20:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:20:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:20:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 109 transitions. [2023-11-19 05:20:54,788 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 109 transitions. Word has length 173 [2023-11-19 05:20:54,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:54,789 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 109 transitions. [2023-11-19 05:20:54,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:20:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2023-11-19 05:20:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:20:54,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:54,796 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:54,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:55,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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 05:20:55,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:55,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:55,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1248810270, now seen corresponding path program 1 times [2023-11-19 05:20:55,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:55,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113545173] [2023-11-19 05:20:55,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:55,015 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 05:20:55,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:55,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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 05:20:55,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/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 05:20:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:55,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:20:55,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 708 proven. 45 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-11-19 05:21:01,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:21:02,170 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:02,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113545173] [2023-11-19 05:21:02,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113545173] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:21:02,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1766959973] [2023-11-19 05:21:02,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:02,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:21:02,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:21:02,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:21:02,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:21:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:03,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 05:21:03,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 708 proven. 45 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-11-19 05:21:08,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:21:09,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1766959973] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:21:09,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060451785] [2023-11-19 05:21:09,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:09,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:21:09,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:09,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:21:09,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f1ea74-9126-4f38-8748-1aedff972327/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:21:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:09,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:21:09,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 708 proven. 45 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-11-19 05:21:13,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:21:14,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060451785] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:21:14,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:21:14,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-11-19 05:21:14,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988766318] [2023-11-19 05:21:14,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:21:14,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 05:21:14,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:14,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 05:21:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:21:14,489 INFO L87 Difference]: Start difference. First operand 73 states and 109 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:21:18,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:21,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:23,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:25,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []