./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/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_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/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_b9a790f2-4210-43e8-8344-a5fdee0a0614/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 e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:16,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:16,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:20:16,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:16,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:16,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:16,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:16,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:16,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:16,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:16,395 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:16,395 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:16,396 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:16,398 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:20:16,398 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:16,399 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:16,399 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:20:16,400 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:20:16,400 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:16,401 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:20:16,401 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:20:16,402 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:20:16,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:16,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:16,404 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:16,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:20:16,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:16,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:16,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:16,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:16,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:16,408 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:16,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:16,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:16,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:16,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:16,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:16,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:16,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:16,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:16,410 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:20:16,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:20:16,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:16,411 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:16,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:16,412 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_b9a790f2-4210-43e8-8344-a5fdee0a0614/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 [2023-11-19 05:20:16,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:16,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:16,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:16,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:16,761 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:16,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2023-11-19 05:20:19,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:20,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:20,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2023-11-19 05:20:20,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data/b97a4f34c/b983bcb4222149719bc00fb4a2a0658c/FLAG0409df952 [2023-11-19 05:20:20,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data/b97a4f34c/b983bcb4222149719bc00fb4a2a0658c [2023-11-19 05:20:20,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:20,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:20,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:20,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:20,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:20,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb22c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20, skipping insertion in model container [2023-11-19 05:20:20,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:20,470 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_b9a790f2-4210-43e8-8344-a5fdee0a0614/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2023-11-19 05:20:20,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:20,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:20,638 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_b9a790f2-4210-43e8-8344-a5fdee0a0614/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2023-11-19 05:20:20,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:20,701 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:20,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20 WrapperNode [2023-11-19 05:20:20,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:20,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:20,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:20,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:20,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,759 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-19 05:20:20,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:20,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:20,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:20,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:20,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:20,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:20,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:20,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:20,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (1/1) ... [2023-11-19 05:20:20,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:20,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:20,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:20,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:20:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:21,018 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:21,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:21,523 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:21,942 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:21,943 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:21,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:21 BoogieIcfgContainer [2023-11-19 05:20:21,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:21,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:21,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:21,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:21,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:20" (1/3) ... [2023-11-19 05:20:21,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236a9085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:21, skipping insertion in model container [2023-11-19 05:20:21,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:20" (2/3) ... [2023-11-19 05:20:21,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236a9085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:21, skipping insertion in model container [2023-11-19 05:20:21,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:21" (3/3) ... [2023-11-19 05:20:21,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2023-11-19 05:20:21,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:21,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:22,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:22,051 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;@1252e2f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:22,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 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 05:20:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 05:20:22,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:22,068 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, 1] [2023-11-19 05:20:22,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:22,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1673666537, now seen corresponding path program 1 times [2023-11-19 05:20:22,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:20:22,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755711321] [2023-11-19 05:20:22,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:20:22,290 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:20:22,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964253960] [2023-11-19 05:20:22,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:22,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:22,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:22,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:20:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:22,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:20:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:20:22,829 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:20:22,832 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:20:22,833 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:20:22,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:23,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:20:23,055 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:20:23,061 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:20:23,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:20:23 BoogieIcfgContainer [2023-11-19 05:20:23,188 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:20:23,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:20:23,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:20:23,189 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:20:23,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:21" (3/4) ... [2023-11-19 05:20:23,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:20:23,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:20:23,195 INFO L158 Benchmark]: Toolchain (without parser) took 2997.60ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 109.3MB in the end (delta: -2.3MB). Peak memory consumption was 253.8kB. Max. memory is 16.1GB. [2023-11-19 05:20:23,195 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 77.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:23,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.34ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 91.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:20:23,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.39ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 88.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:20:23,198 INFO L158 Benchmark]: Boogie Preprocessor took 42.03ms. Allocated memory is still 146.8MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:20:23,198 INFO L158 Benchmark]: RCFGBuilder took 1145.82ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 90.1MB in the end (delta: -4.0MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-19 05:20:23,199 INFO L158 Benchmark]: TraceAbstraction took 1235.66ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 109.3MB in the end (delta: -19.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-11-19 05:20:23,199 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 146.8MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:20:23,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 77.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.34ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 91.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.39ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 88.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.03ms. Allocated memory is still 146.8MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1145.82ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 90.1MB in the end (delta: -4.0MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1235.66ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 109.3MB in the end (delta: -19.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 146.8MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someUnaryDOUBLEoperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] unsigned char var_1_38 = 2; [L46] double var_1_39 = 3.6; [L47] double var_1_40 = 24.25; [L48] double var_1_41 = 31.25; [L49] unsigned long int var_1_42 = 10; [L50] unsigned char last_1_var_1_12 = 1; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L179] last_1_var_1_12 = var_1_12 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] var_1_4 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L146] var_1_6 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L148] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L149] var_1_7 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L151] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L152] var_1_10 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L154] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L155] var_1_11 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L157] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L161] var_1_20 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L164] var_1_21 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L166] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L167] var_1_29 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L169] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L170] var_1_38 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L172] CALL assume_abort_if_not(var_1_38 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_38 <= 254) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L173] var_1_40 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=3, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=3, var_1_41=125/4, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L175] var_1_41 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=3, var_1_41=2, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=0, var_1_40=3, var_1_41=2, var_1_42=10, var_1_4=-1, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L190] RET updateVariables() [L191] CALL step() [L54] signed char stepLocal_1 = var_1_6; [L55] unsigned char stepLocal_0 = last_1_var_1_12; [L56] COND FALSE !(-25 == stepLocal_1) [L61] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) [L63] signed char stepLocal_2 = var_1_7; [L64] COND TRUE var_1_8 >= stepLocal_2 [L65] var_1_12 = (! var_1_14) [L67] COND TRUE \read(var_1_12) [L68] var_1_1 = (var_1_3 + var_1_4) [L70] COND TRUE var_1_4 >= (var_1_6 - var_1_7) [L71] COND TRUE \read(var_1_12) [L72] var_1_5 = 8.25 [L75] signed char stepLocal_4 = var_1_6; [L76] COND FALSE !(var_1_1 < stepLocal_4) [L79] var_1_18 = (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))) [L81] COND TRUE \read(var_1_12) [L82] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) [L84] COND TRUE -64 > (var_1_6 + var_1_19) [L85] var_1_15 = (var_1_11 - var_1_7) [L93] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); [L94] COND FALSE !(var_1_19 > stepLocal_3) [L97] COND FALSE !(var_1_16 > var_1_18) [L102] var_1_26 = var_1_8 [L103] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_19) [L106] var_1_28 = var_1_29 [L108] COND TRUE var_1_8 > var_1_18 [L109] COND TRUE var_1_29 < var_1_18 [L110] COND TRUE var_1_29 <= (-64 & var_1_19) [L111] var_1_31 = ((((var_1_1) > (((((8) < (var_1_1)) ? (8) : (var_1_1))))) ? (var_1_1) : (((((8) < (var_1_1)) ? (8) : (var_1_1)))))) [L117] COND FALSE !(((((((((var_1_8) > (var_1_15)) ? (var_1_8) : (var_1_15)))) > (var_1_1)) ? (((((var_1_8) > (var_1_15)) ? (var_1_8) : (var_1_15)))) : (var_1_1))) > var_1_8) [L122] var_1_36 = var_1_38 [L124] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) [L125] COND FALSE !(var_1_8 <= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) [L136] var_1_42 = var_1_38 [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=-2, var_1_19=-64, var_1_1=-1, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=3, var_1_3=0, var_1_40=3, var_1_41=2, var_1_42=0, var_1_4=-1, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=49151] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49151, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=-2, var_1_19=-64, var_1_1=-1, var_1_20=63, var_1_21=63, var_1_22=-8, var_1_26=49151, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=3, var_1_3=0, var_1_40=3, var_1_41=2, var_1_42=0, var_1_4=-1, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=49151] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:20:23,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/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_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/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_b9a790f2-4210-43e8-8344-a5fdee0a0614/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 e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:20:26,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:20:26,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:20:26,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:20:26,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:20:26,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:20:26,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:20:26,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:20:26,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:20:26,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:20:26,206 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:20:26,207 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:20:26,207 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:20:26,209 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:20:26,209 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:20:26,209 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:20:26,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:20:26,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:20:26,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:20:26,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:20:26,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:20:26,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:20:26,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:20:26,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:20:26,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:20:26,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:20:26,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:20:26,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:20:26,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:20:26,215 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:20:26,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:20:26,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:20:26,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:20:26,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:26,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:20:26,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:20:26,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:20:26,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:20:26,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:26,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:20:26,220 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:20:26,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:20:26,221 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_b9a790f2-4210-43e8-8344-a5fdee0a0614/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 [2023-11-19 05:20:26,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:20:26,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:20:26,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:20:26,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:20:26,648 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:20:26,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2023-11-19 05:20:29,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:20:30,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:20:30,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2023-11-19 05:20:30,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data/c6aad8c07/dd2f8d8d07684c4dac7447911c43d81d/FLAG021c2760e [2023-11-19 05:20:30,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/data/c6aad8c07/dd2f8d8d07684c4dac7447911c43d81d [2023-11-19 05:20:30,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:20:30,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:20:30,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:30,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:20:30,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:20:30,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139efc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30, skipping insertion in model container [2023-11-19 05:20:30,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:20:30,401 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_b9a790f2-4210-43e8-8344-a5fdee0a0614/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2023-11-19 05:20:30,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:30,527 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:20:30,547 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_b9a790f2-4210-43e8-8344-a5fdee0a0614/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2023-11-19 05:20:30,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:20:30,610 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:20:30,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30 WrapperNode [2023-11-19 05:20:30,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:20:30,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:30,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:20:30,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:20:30,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,691 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-19 05:20:30,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:20:30,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:20:30,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:20:30,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:20:30,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:20:30,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:20:30,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:20:30,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:20:30,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (1/1) ... [2023-11-19 05:20:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:20:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:30,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:20:30,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:20:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:20:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:20:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:20:30,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:20:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:20:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:20:31,064 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:20:31,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:20:31,574 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:20:31,583 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:20:31,584 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:20:31,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:31 BoogieIcfgContainer [2023-11-19 05:20:31,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:20:31,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:20:31,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:20:31,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:20:31,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:20:30" (1/3) ... [2023-11-19 05:20:31,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2723f347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:31, skipping insertion in model container [2023-11-19 05:20:31,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:30" (2/3) ... [2023-11-19 05:20:31,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2723f347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:20:31, skipping insertion in model container [2023-11-19 05:20:31,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:20:31" (3/3) ... [2023-11-19 05:20:31,612 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2023-11-19 05:20:31,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:20:31,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:20:31,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:20:31,711 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;@7606dc0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:20:31,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:20:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 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 05:20:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 05:20:31,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:31,733 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, 1, 1, 1, 1] [2023-11-19 05:20:31,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:31,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:31,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1238318862, now seen corresponding path program 1 times [2023-11-19 05:20:31,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:31,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675476009] [2023-11-19 05:20:31,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:31,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:31,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:31,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:31,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:20:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:32,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:20:32,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:32,213 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 05:20:32,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:20:32,214 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:32,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675476009] [2023-11-19 05:20:32,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675476009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:20:32,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:20:32,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:20:32,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224487604] [2023-11-19 05:20:32,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:20:32,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:20:32,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:20:32,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:20:32,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:32,257 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 05:20:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:20:32,294 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2023-11-19 05:20:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:20:32,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 160 [2023-11-19 05:20:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:20:32,305 INFO L225 Difference]: With dead ends: 161 [2023-11-19 05:20:32,305 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:20:32,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:20:32,313 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:20:32,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:20:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:20:32,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 05:20:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 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 05:20:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-19 05:20:32,365 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 160 [2023-11-19 05:20:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:20:32,366 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-19 05:20:32,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 05:20:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-19 05:20:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 05:20:32,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:20:32,372 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, 1, 1, 1, 1] [2023-11-19 05:20:32,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:20:32,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:32,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:20:32,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:20:32,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1644456530, now seen corresponding path program 1 times [2023-11-19 05:20:32,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:20:32,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420004283] [2023-11-19 05:20:32,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:20:32,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:20:32,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:20:32,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:20:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:32,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:20:32,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-11-19 05:20:34,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:37,411 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:20:37,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420004283] [2023-11-19 05:20:37,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420004283] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:20:37,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1316987661] [2023-11-19 05:20:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:37,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:20:37,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:20:37,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:20:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:20:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:38,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:20:38,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:20:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 598 proven. 126 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 05:20:41,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:20:58,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1316987661] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:20:58,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751930026] [2023-11-19 05:20:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:20:58,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:20:58,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:20:58,099 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:20:58,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a790f2-4210-43e8-8344-a5fdee0a0614/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:20:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:20:58,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 05:20:58,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 587 proven. 174 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-19 05:21:06,075 INFO L327 TraceCheckSpWp]: Computing backward predicates...