./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.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_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 a4976a0f4e8572ec43bab80ca0069997cf774c06a894139df9484b2aa0b8059e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:14,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:14,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:25:14,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:14,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:14,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:14,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:14,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:14,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:14,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:14,670 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:14,671 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:14,672 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:14,673 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:25:14,673 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:14,674 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:14,675 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:25:14,676 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:25:14,677 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:14,678 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:25:14,678 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:25:14,679 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:25:14,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:14,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:14,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:14,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:25:14,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:14,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:14,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:14,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:14,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:14,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:14,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:14,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:14,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:14,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:14,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:14,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:14,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:14,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:14,715 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:25:14,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:25:14,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:14,717 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:14,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:14,717 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_c42a89f2-b351-4559-bf99-f47fb2eabc09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4976a0f4e8572ec43bab80ca0069997cf774c06a894139df9484b2aa0b8059e [2023-11-19 05:25:15,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:15,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:15,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:15,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:15,062 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:15,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i [2023-11-19 05:25:18,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:19,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:19,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i [2023-11-19 05:25:19,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data/a220fda1f/4a03461f8624496bb20bf5cba2d8d1c8/FLAG0b9d6ec0f [2023-11-19 05:25:19,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data/a220fda1f/4a03461f8624496bb20bf5cba2d8d1c8 [2023-11-19 05:25:19,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:19,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:19,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:19,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:19,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:19,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1ccf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19, skipping insertion in model container [2023-11-19 05:25:19,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:19,595 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_c42a89f2-b351-4559-bf99-f47fb2eabc09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i[916,929] [2023-11-19 05:25:19,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:19,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:19,729 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_c42a89f2-b351-4559-bf99-f47fb2eabc09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i[916,929] [2023-11-19 05:25:19,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:19,808 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:19,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19 WrapperNode [2023-11-19 05:25:19,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:19,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:19,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:19,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:19,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,900 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-19 05:25:19,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:19,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:19,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:19,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:19,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:19,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:19,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:19,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:19,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (1/1) ... [2023-11-19 05:25:19,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:20,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:20,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:20,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:20,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:20,247 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:20,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:20,915 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:21,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:21,477 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:21,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:21 BoogieIcfgContainer [2023-11-19 05:25:21,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:21,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:21,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:21,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:21,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:19" (1/3) ... [2023-11-19 05:25:21,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b15184b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:21, skipping insertion in model container [2023-11-19 05:25:21,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:19" (2/3) ... [2023-11-19 05:25:21,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b15184b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:21, skipping insertion in model container [2023-11-19 05:25:21,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:21" (3/3) ... [2023-11-19 05:25:21,499 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-55.i [2023-11-19 05:25:21,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:21,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:21,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:21,618 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;@3b7a5261, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:21,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:25:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 05:25:21,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:21,643 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:21,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:21,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:21,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1069432703, now seen corresponding path program 1 times [2023-11-19 05:25:21,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:21,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724768677] [2023-11-19 05:25:21,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:21,977 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:25:21,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437040257] [2023-11-19 05:25:21,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:21,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:22,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:25:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:22,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:22,764 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:22,767 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:22,769 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:25:22,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:22,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:25:22,987 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:25:22,992 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:25:23,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:25:23 BoogieIcfgContainer [2023-11-19 05:25:23,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:25:23,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:25:23,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:25:23,207 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:25:23,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:21" (3/4) ... [2023-11-19 05:25:23,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:25:23,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:25:23,214 INFO L158 Benchmark]: Toolchain (without parser) took 3885.03ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 64.8MB in the end (delta: 54.4MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2023-11-19 05:25:23,214 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:23,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.92ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 103.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:25:23,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.78ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 100.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:25:23,217 INFO L158 Benchmark]: Boogie Preprocessor took 53.45ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 98.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:23,218 INFO L158 Benchmark]: RCFGBuilder took 1528.14ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 117.2MB in the end (delta: -19.2MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-19 05:25:23,218 INFO L158 Benchmark]: TraceAbstraction took 1718.78ms. Allocated memory is still 151.0MB. Free memory was 116.2MB in the beginning and 64.8MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 05:25:23,222 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 151.0MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:23,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.92ms. Allocated memory is still 151.0MB. Free memory was 119.0MB in the beginning and 103.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.78ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 100.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.45ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 98.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1528.14ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 117.2MB in the end (delta: -19.2MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1718.78ms. Allocated memory is still 151.0MB. Free memory was 116.2MB in the beginning and 64.8MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 151.0MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseAnd at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] signed char var_1_4 = 0; [L24] signed char var_1_5 = -5; [L25] signed short int var_1_6 = -32; [L26] signed char var_1_7 = 8; [L27] unsigned char var_1_8 = 2; [L28] float var_1_10 = 15.6; [L29] unsigned char var_1_11 = 10; [L30] unsigned short int var_1_12 = 64; [L31] signed long int var_1_13 = -8; [L32] unsigned long int var_1_14 = 64; [L33] float var_1_17 = 9.75; [L34] float var_1_18 = 0.5; [L35] signed short int var_1_19 = -128; [L36] unsigned char var_1_21 = 1; [L37] unsigned long int var_1_22 = 3552880340; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 1; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 0; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_29 = 0; [L45] signed short int var_1_30 = 10; [L46] float var_1_31 = 99.25; [L47] signed long int var_1_32 = 256; [L48] signed short int last_1_var_1_6 = -32; [L49] signed long int last_1_var_1_13 = -8; [L50] unsigned long int last_1_var_1_14 = 64; [L51] float last_1_var_1_17 = 9.75; [L52] signed short int last_1_var_1_19 = -128; [L53] unsigned char last_1_var_1_21 = 1; [L54] float last_1_var_1_31 = 99.25; [L55] signed long int last_1_var_1_32 = 256; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L175] last_1_var_1_6 = var_1_6 [L176] last_1_var_1_13 = var_1_13 [L177] last_1_var_1_14 = var_1_14 [L178] last_1_var_1_17 = var_1_17 [L179] last_1_var_1_19 = var_1_19 [L180] last_1_var_1_21 = var_1_21 [L181] last_1_var_1_31 = var_1_31 [L182] last_1_var_1_32 = var_1_32 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L139] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-5, var_1_6=-32, var_1_7=8, var_1_8=2] [L140] var_1_5 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=8, var_1_8=2] [L142] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=8, var_1_8=2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=8, var_1_8=2] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_7 >= -128) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L145] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L146] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=78/5, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L147] var_1_10 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L149] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=10, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=1/2, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L153] var_1_18 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=3552880340, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L155] var_1_22 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L157] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L158] var_1_23 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L160] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L161] var_1_24 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L163] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L164] var_1_26 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L166] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L169] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L172] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=64, var_1_13=-8, var_1_14=64, var_1_17=39/4, var_1_18=3, var_1_19=-128, var_1_1=-2, var_1_21=1, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=10, var_1_31=397/4, var_1_32=256, var_1_4=126, var_1_5=-4, var_1_6=-32, var_1_7=127, var_1_8=2] [L193] RET updateVariables() [L194] CALL step() [L59] unsigned char stepLocal_4 = (- var_1_18) > last_1_var_1_31; [L60] COND TRUE last_1_var_1_21 || stepLocal_4 [L61] COND FALSE !(! last_1_var_1_21) [L64] var_1_25 = var_1_24 [L69] signed char stepLocal_1 = var_1_5; [L70] COND FALSE !(((last_1_var_1_6 * var_1_11) / 10) <= stepLocal_1) [L73] COND FALSE !((- (- last_1_var_1_17)) < var_1_10) [L76] var_1_13 = var_1_4 [L79] COND FALSE !(var_1_5 > (var_1_13 % var_1_7)) [L82] var_1_6 = (var_1_5 + var_1_7) [L84] COND FALSE !(-2 == last_1_var_1_32) [L91] var_1_1 = (var_1_5 + 5) [L93] var_1_32 = var_1_1 [L94] var_1_12 = var_1_11 [L95] var_1_30 = var_1_1 [L96] var_1_31 = 24.4f [L97] EXPR 256u & var_1_13 [L97] unsigned char stepLocal_3 = (256u & var_1_13) == (var_1_22 - var_1_12); [L98] unsigned short int stepLocal_2 = var_1_12; [L99] COND TRUE stepLocal_3 || var_1_25 [L100] COND TRUE var_1_13 != stepLocal_2 [L101] var_1_21 = var_1_23 [L108] signed char stepLocal_5 = var_1_7; [L109] COND FALSE !(stepLocal_5 <= (~ var_1_1)) [L112] var_1_28 = ((var_1_31 == 8.5f) || (var_1_29 && var_1_24)) [L114] unsigned char stepLocal_0 = (var_1_31 / var_1_10) < 255.625f; [L115] COND TRUE stepLocal_0 && (var_1_7 < (var_1_5 * -100)) [L116] var_1_8 = (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))) [L120] COND TRUE var_1_25 || var_1_28 [L121] var_1_14 = ((last_1_var_1_14 + 1u) + var_1_11) [L123] COND TRUE (64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4)) [L124] var_1_17 = 100.5f [L128] COND FALSE !((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR (((((((((-2 == last_1_var_1_32) ? (((last_1_var_1_32 * last_1_var_1_6) <= -500) ? (var_1_1 == ((signed char) ((((2 - var_1_4) < 0 ) ? -(2 - var_1_4) : (2 - var_1_4))))) : (var_1_1 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) : (var_1_1 == ((signed char) (var_1_5 + 5)))) && ((var_1_5 > (var_1_13 % var_1_7)) ? (var_1_6 == ((signed short int) var_1_5)) : (var_1_6 == ((signed short int) (var_1_5 + var_1_7))))) && ((((var_1_31 / var_1_10) < 255.625f) && (var_1_7 < (var_1_5 * -100))) ? (var_1_8 == ((unsigned char) (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))))) : (var_1_8 == ((unsigned char) var_1_4)))) && (var_1_12 == ((unsigned short int) var_1_11))) && ((((last_1_var_1_6 * var_1_11) / 10) <= var_1_5) ? (var_1_13 == ((signed long int) (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))))) : (((- (- last_1_var_1_17)) < var_1_10) ? (var_1_13 == ((signed long int) (var_1_7 + var_1_5))) : (var_1_13 == ((signed long int) var_1_4))))) && ((var_1_25 || var_1_28) ? (var_1_14 == ((unsigned long int) ((last_1_var_1_14 + 1u) + var_1_11))) : 1)) && (((64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4))) ? (var_1_17 == ((float) 100.5f)) : (var_1_17 == ((float) var_1_18)))) && (((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) ? (var_1_25 ? (var_1_19 == ((signed short int) var_1_7)) : (var_1_19 == ((signed short int) last_1_var_1_19))) : 1)) && ((((256u & var_1_13) == (var_1_22 - var_1_12)) || var_1_25) ? ((var_1_13 != var_1_12) ? (var_1_21 == ((unsigned char) var_1_23)) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) [L185-L186] return ((((((((((((((-2 == last_1_var_1_32) ? (((last_1_var_1_32 * last_1_var_1_6) <= -500) ? (var_1_1 == ((signed char) ((((2 - var_1_4) < 0 ) ? -(2 - var_1_4) : (2 - var_1_4))))) : (var_1_1 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) : (var_1_1 == ((signed char) (var_1_5 + 5)))) && ((var_1_5 > (var_1_13 % var_1_7)) ? (var_1_6 == ((signed short int) var_1_5)) : (var_1_6 == ((signed short int) (var_1_5 + var_1_7))))) && ((((var_1_31 / var_1_10) < 255.625f) && (var_1_7 < (var_1_5 * -100))) ? (var_1_8 == ((unsigned char) (((((128 - var_1_4)) > (var_1_11)) ? ((128 - var_1_4)) : (var_1_11))))) : (var_1_8 == ((unsigned char) var_1_4)))) && (var_1_12 == ((unsigned short int) var_1_11))) && ((((last_1_var_1_6 * var_1_11) / 10) <= var_1_5) ? (var_1_13 == ((signed long int) (var_1_7 + (var_1_11 - ((((last_1_var_1_13) < (last_1_var_1_32)) ? (last_1_var_1_13) : (last_1_var_1_32))))))) : (((- (- last_1_var_1_17)) < var_1_10) ? (var_1_13 == ((signed long int) (var_1_7 + var_1_5))) : (var_1_13 == ((signed long int) var_1_4))))) && ((var_1_25 || var_1_28) ? (var_1_14 == ((unsigned long int) ((last_1_var_1_14 + 1u) + var_1_11))) : 1)) && (((64 - ((((-64) < 0 ) ? -(-64) : (-64)))) <= (var_1_14 + (var_1_8 * var_1_4))) ? (var_1_17 == ((float) 100.5f)) : (var_1_17 == ((float) var_1_18)))) && (((var_1_31 + (var_1_10 + var_1_31)) > (var_1_18 * var_1_17)) ? (var_1_25 ? (var_1_19 == ((signed short int) var_1_7)) : (var_1_19 == ((signed short int) last_1_var_1_19))) : 1)) && ((((256u & var_1_13) == (var_1_22 - var_1_12)) || var_1_25) ? ((var_1_13 != var_1_12) ? (var_1_21 == ((unsigned char) var_1_23)) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_24)))) && ((last_1_var_1_21 || ((- var_1_18) > last_1_var_1_31)) ? ((! last_1_var_1_21) ? (var_1_25 == ((unsigned char) ((var_1_23 || var_1_26) || var_1_27))) : (var_1_25 == ((unsigned char) var_1_24))) : (var_1_25 == ((unsigned char) var_1_24)))) && ((var_1_7 <= (~ var_1_1)) ? (var_1_28 == ((unsigned char) (! (! (var_1_24 && var_1_29))))) : (var_1_28 == ((unsigned char) ((var_1_31 == 8.5f) || (var_1_29 && var_1_24)))))) && (var_1_30 == ((signed short int) var_1_1))) && (var_1_31 == ((float) 24.4f))) && (var_1_32 == ((signed long int) var_1_1)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=126, var_1_14=66, var_1_17=201/2, var_1_18=3, var_1_19=-128, var_1_1=1, var_1_21=0, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=122/5, var_1_32=1, var_1_4=126, var_1_5=-4, var_1_6=123, var_1_7=127, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=-8, last_1_var_1_14=64, last_1_var_1_17=39/4, last_1_var_1_19=-128, last_1_var_1_21=1, last_1_var_1_31=397/4, last_1_var_1_32=256, last_1_var_1_6=-32, var_1_10=2, var_1_11=1, var_1_12=1, var_1_13=126, var_1_14=66, var_1_17=201/2, var_1_18=3, var_1_19=-128, var_1_1=1, var_1_21=0, var_1_22=2147483647, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=122/5, var_1_32=1, var_1_4=126, var_1_5=-4, var_1_6=123, var_1_7=127, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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, 88 NumberOfCodeBlocks, 88 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 05:25:23,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 a4976a0f4e8572ec43bab80ca0069997cf774c06a894139df9484b2aa0b8059e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:26,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:26,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:25:26,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:26,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:26,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:26,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:26,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:26,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:26,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:26,706 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:26,707 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:26,707 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:26,709 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:26,710 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:26,711 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:26,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:26,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:26,713 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:26,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:26,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:26,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:26,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:26,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:26,718 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:25:26,719 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:25:26,719 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:25:26,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:26,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:26,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:26,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:26,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:25:26,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:26,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:26,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:26,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:26,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:26,726 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:25:26,726 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:26,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:26,728 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:26,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:26,729 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_c42a89f2-b351-4559-bf99-f47fb2eabc09/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4976a0f4e8572ec43bab80ca0069997cf774c06a894139df9484b2aa0b8059e [2023-11-19 05:25:27,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:27,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:27,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:27,338 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:27,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:27,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i [2023-11-19 05:25:31,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:31,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:31,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i [2023-11-19 05:25:31,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data/7c6791898/5f76567c76244ae29a8319ed57f54fe6/FLAG45b4a34c7 [2023-11-19 05:25:31,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/data/7c6791898/5f76567c76244ae29a8319ed57f54fe6 [2023-11-19 05:25:31,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:31,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:31,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:31,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:31,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:31,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:31" (1/1) ... [2023-11-19 05:25:31,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c89dd96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:31, skipping insertion in model container [2023-11-19 05:25:31,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:31" (1/1) ... [2023-11-19 05:25:31,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:31,869 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_c42a89f2-b351-4559-bf99-f47fb2eabc09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i[916,929] [2023-11-19 05:25:32,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:32,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:32,086 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_c42a89f2-b351-4559-bf99-f47fb2eabc09/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-55.i[916,929] [2023-11-19 05:25:32,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:32,269 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:32,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32 WrapperNode [2023-11-19 05:25:32,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:32,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:32,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:32,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:32,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,413 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-19 05:25:32,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:32,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:32,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:32,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:32,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:32,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:32,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:32,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:32,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (1/1) ... [2023-11-19 05:25:32,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:32,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:32,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:32,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:25:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:32,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:32,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:38,219 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:38,231 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:38,231 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:38,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:38 BoogieIcfgContainer [2023-11-19 05:25:38,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:38,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:38,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:38,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:38,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:31" (1/3) ... [2023-11-19 05:25:38,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f167410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:38, skipping insertion in model container [2023-11-19 05:25:38,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:32" (2/3) ... [2023-11-19 05:25:38,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f167410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:38, skipping insertion in model container [2023-11-19 05:25:38,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:38" (3/3) ... [2023-11-19 05:25:38,249 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-55.i [2023-11-19 05:25:38,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:38,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:38,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:38,342 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;@585c241b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:38,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:25:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 05:25:38,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:38,369 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:38,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:38,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:38,376 INFO L85 PathProgramCache]: Analyzing trace with hash -260757358, now seen corresponding path program 1 times [2023-11-19 05:25:38,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:38,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391877411] [2023-11-19 05:25:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:38,396 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 05:25:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:38,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:38,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:39,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:25:39,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 05:25:39,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:39,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:39,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391877411] [2023-11-19 05:25:39,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391877411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:39,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:25:39,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58965485] [2023-11-19 05:25:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:39,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:25:39,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:39,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:25:39,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:39,594 INFO L87 Difference]: Start difference. First operand has 74 states, 47 states have (on average 1.425531914893617) internal successors, (67), 48 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:25:39,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:39,631 INFO L93 Difference]: Finished difference Result 141 states and 248 transitions. [2023-11-19 05:25:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:25:39,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2023-11-19 05:25:39,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:39,641 INFO L225 Difference]: With dead ends: 141 [2023-11-19 05:25:39,641 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 05:25:39,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 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 05:25:39,648 INFO L413 NwaCegarLoop]: 107 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, 107 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 05:25:39,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:39,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 05:25:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-19 05:25:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:25:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 107 transitions. [2023-11-19 05:25:39,710 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 107 transitions. Word has length 155 [2023-11-19 05:25:39,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:39,710 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 107 transitions. [2023-11-19 05:25:39,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:25:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2023-11-19 05:25:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 05:25:39,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:39,717 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:39,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:39,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:39,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:39,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1143338062, now seen corresponding path program 1 times [2023-11-19 05:25:39,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:39,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898618643] [2023-11-19 05:25:39,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:39,936 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 05:25:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:39,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:39,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:40,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:25:40,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 05:25:42,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:42,091 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:42,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898618643] [2023-11-19 05:25:42,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898618643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:42,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:42,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:25:42,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857448703] [2023-11-19 05:25:42,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:42,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:25:42,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:42,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:25:42,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:25:42,097 INFO L87 Difference]: Start difference. First operand 70 states and 107 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:25:44,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:46,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:48,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:48,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:48,608 INFO L93 Difference]: Finished difference Result 205 states and 316 transitions. [2023-11-19 05:25:48,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:25:48,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2023-11-19 05:25:48,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:48,655 INFO L225 Difference]: With dead ends: 205 [2023-11-19 05:25:48,655 INFO L226 Difference]: Without dead ends: 138 [2023-11-19 05:25:48,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:25:48,659 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 71 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:48,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 300 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2023-11-19 05:25:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-19 05:25:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 114. [2023-11-19 05:25:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 63 states have internal predecessors, (78), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 05:25:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 174 transitions. [2023-11-19 05:25:48,719 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 174 transitions. Word has length 155 [2023-11-19 05:25:48,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:48,721 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 174 transitions. [2023-11-19 05:25:48,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:25:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 174 transitions. [2023-11-19 05:25:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 05:25:48,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:48,726 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:48,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-19 05:25:48,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:48,945 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:48,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:48,947 INFO L85 PathProgramCache]: Analyzing trace with hash -92797754, now seen corresponding path program 1 times [2023-11-19 05:25:48,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:48,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741774476] [2023-11-19 05:25:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:48,948 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 05:25:48,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:48,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/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 05:25:48,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:25:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:49,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:25:49,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 512 proven. 36 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-19 05:25:51,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:25:51,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:51,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741774476] [2023-11-19 05:25:51,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741774476] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:51,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [408297898] [2023-11-19 05:25:51,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:51,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:51,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:51,865 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:51,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:25:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:53,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:25:53,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 05:25:54,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:25:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [408297898] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:54,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434645500] [2023-11-19 05:25:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:54,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:54,546 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:54,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42a89f2-b351-4559-bf99-f47fb2eabc09/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:25:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:55,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:25:55,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 05:25:55,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:25:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434645500] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:56,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:25:56,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 12 [2023-11-19 05:25:56,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812938943] [2023-11-19 05:25:56,049 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:25:56,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:25:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:56,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:25:56,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:25:56,053 INFO L87 Difference]: Start difference. First operand 114 states and 174 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 3 states have call successors, (37), 3 states have call predecessors, (37), 6 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 05:26:00,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:26:02,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:26:03,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:26:07,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:26:09,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []