./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 1aab861a420ae258d58e8cdb7baa3d890ad6a0a3ff243e7522ba05d5d977c664 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:10,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:10,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:55:10,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:10,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:10,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:10,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:10,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:10,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:10,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:10,385 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:10,386 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:10,386 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:10,388 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:10,389 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:10,389 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:10,390 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:10,390 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:10,390 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:10,391 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:10,393 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:10,394 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:10,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:10,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:10,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:10,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:10,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:10,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:10,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:10,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:10,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:10,399 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:10,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:10,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:10,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:10,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:10,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:10,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:10,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:10,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:10,402 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:10,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:10,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:10,403 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:10,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:10,404 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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aab861a420ae258d58e8cdb7baa3d890ad6a0a3ff243e7522ba05d5d977c664 [2023-11-19 04:55:10,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:10,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:10,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:10,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:10,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:10,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i [2023-11-19 04:55:13,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:14,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:14,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i [2023-11-19 04:55:14,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data/f6ad9572a/e309997b048247adb9b879d938908bad/FLAG4935e1773 [2023-11-19 04:55:14,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data/f6ad9572a/e309997b048247adb9b879d938908bad [2023-11-19 04:55:14,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:14,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:14,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:14,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:14,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:14,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592e17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14, skipping insertion in model container [2023-11-19 04:55:14,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:14,291 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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i[917,930] [2023-11-19 04:55:14,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:14,373 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:14,394 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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i[917,930] [2023-11-19 04:55:14,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:14,507 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:14,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14 WrapperNode [2023-11-19 04:55:14,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:14,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:14,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:14,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:14,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,598 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-11-19 04:55:14,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:14,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:14,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:14,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:14,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:14,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:14,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:14,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:14,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (1/1) ... [2023-11-19 04:55:14,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:14,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:14,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:14,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:14,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:14,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:15,365 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:15,675 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:15,676 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:15,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:15 BoogieIcfgContainer [2023-11-19 04:55:15,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:15,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:15,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:15,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:15,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:14" (1/3) ... [2023-11-19 04:55:15,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646dff40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:15, skipping insertion in model container [2023-11-19 04:55:15,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:14" (2/3) ... [2023-11-19 04:55:15,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646dff40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:15, skipping insertion in model container [2023-11-19 04:55:15,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:15" (3/3) ... [2023-11-19 04:55:15,699 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-98.i [2023-11-19 04:55:15,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:15,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:15,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:15,793 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;@485cfbee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:15,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:55:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 04:55:15,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:15,816 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:15,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:15,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:15,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1664377355, now seen corresponding path program 1 times [2023-11-19 04:55:15,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:15,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867815033] [2023-11-19 04:55:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:15,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:16,000 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:55:16,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038617848] [2023-11-19 04:55:16,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:16,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:16,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:16,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:55:16,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:55:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:16,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:55:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:16,557 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:55:16,561 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:55:16,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:55:16,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:16,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:55:16,776 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:55:16,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:55:16,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:55:16 BoogieIcfgContainer [2023-11-19 04:55:16,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:55:16,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:55:16,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:55:16,886 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:55:16,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:15" (3/4) ... [2023-11-19 04:55:16,888 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:55:16,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:55:16,891 INFO L158 Benchmark]: Toolchain (without parser) took 2789.98ms. Allocated memory is still 211.8MB. Free memory was 180.1MB in the beginning and 119.2MB in the end (delta: 60.9MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2023-11-19 04:55:16,891 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:16,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.30ms. Allocated memory is still 211.8MB. Free memory was 180.1MB in the beginning and 166.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:16,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.71ms. Allocated memory is still 211.8MB. Free memory was 166.1MB in the beginning and 163.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:16,893 INFO L158 Benchmark]: Boogie Preprocessor took 73.07ms. Allocated memory is still 211.8MB. Free memory was 163.0MB in the beginning and 160.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:16,894 INFO L158 Benchmark]: RCFGBuilder took 1013.57ms. Allocated memory is still 211.8MB. Free memory was 160.9MB in the beginning and 168.4MB in the end (delta: -7.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:55:16,895 INFO L158 Benchmark]: TraceAbstraction took 1193.79ms. Allocated memory is still 211.8MB. Free memory was 167.4MB in the beginning and 119.2MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 04:55:16,895 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 211.8MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:16,899 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 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.30ms. Allocated memory is still 211.8MB. Free memory was 180.1MB in the beginning and 166.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.71ms. Allocated memory is still 211.8MB. Free memory was 166.1MB in the beginning and 163.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.07ms. Allocated memory is still 211.8MB. Free memory was 163.0MB in the beginning and 160.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1013.57ms. Allocated memory is still 211.8MB. Free memory was 160.9MB in the beginning and 168.4MB in the end (delta: -7.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1193.79ms. Allocated memory is still 211.8MB. Free memory was 167.4MB in the beginning and 119.2MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 211.8MB. Free memory is still 119.2MB. 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 133, overapproximation of bitwiseAnd at line 48, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_2 = 2; [L24] signed short int var_1_3 = -32; [L25] signed short int var_1_4 = -10; [L26] signed short int var_1_5 = 100; [L27] double var_1_6 = 0.5; [L28] double var_1_7 = 16.5; [L29] double var_1_8 = 7.4; [L30] unsigned short int var_1_9 = 4; [L31] unsigned char var_1_10 = 0; [L32] unsigned long int var_1_11 = 1000000000; [L33] unsigned short int var_1_12 = 256; [L34] signed short int var_1_13 = 16; [L35] signed short int var_1_14 = 64; [L36] unsigned short int var_1_15 = 63836; [L37] unsigned short int var_1_16 = 10; [L38] signed char var_1_17 = -8; [L39] signed char var_1_18 = 8; [L40] signed short int var_1_19 = 50; [L41] signed short int var_1_20 = 10; [L42] signed short int var_1_21 = 10000; [L43] signed char var_1_22 = -2; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] FCALL updateLastVariables() [L141] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=-32, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=-32, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L89] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=-32, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=-32, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L90] var_1_3 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L92] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=-10, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L93] var_1_4 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L95] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L97] var_1_5 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L101] var_1_7 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=37/5, var_1_9=4] [L103] var_1_8 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L105] var_1_10 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L107] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L108] var_1_13 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L111] var_1_14 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L114] var_1_15 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L117] var_1_16 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L120] var_1_18 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L123] var_1_20 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L125] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=10000, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L126] var_1_21 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_21 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=8191, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 >= 8191) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=8191, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=8191, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-8, var_1_18=-1, var_1_19=50, var_1_1=-64, var_1_20=0, var_1_21=8191, var_1_22=-2, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L141] RET updateVariables() [L142] CALL step() [L47] signed short int stepLocal_3 = var_1_3; [L48] EXPR (var_1_3 / var_1_4) & 8 [L48] signed long int stepLocal_2 = (var_1_3 / var_1_4) & 8; [L49] signed short int stepLocal_1 = var_1_3; [L50] signed long int stepLocal_0 = var_1_3 / ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))); [L51] COND FALSE !(var_1_2 <= stepLocal_2) [L60] COND TRUE stepLocal_1 <= var_1_2 [L61] var_1_1 = var_1_4 [L66] COND TRUE var_1_2 <= var_1_3 [L67] var_1_6 = (var_1_7 + var_1_8) [L69] COND TRUE \read(var_1_10) [L70] COND TRUE var_1_4 < (var_1_1 + var_1_5) [L71] var_1_9 = 16 [L74] var_1_11 = (((((((2u) > ((3986216790u - var_1_9))) ? (2u) : ((3986216790u - var_1_9)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_9))) ? (2u) : ((3986216790u - var_1_9)))) : ((((2u) > ((3986216790u - var_1_9))) ? (2u) : ((3986216790u - var_1_9)))))) [L75] COND FALSE !((var_1_5 * (var_1_13 - var_1_14)) <= var_1_3) [L78] var_1_17 = var_1_18 [L79] COND FALSE !(var_1_13 <= var_1_12) [L82] var_1_19 = ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_17)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_17))) [L84] var_1_22 = var_1_18 [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (var_1_3 / var_1_4) & 8 [L133-L134] return ((((((((var_1_2 <= ((var_1_3 / var_1_4) & 8)) ? ((-16 <= var_1_3) ? ((var_1_2 != (var_1_3 / ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((signed long int) ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))))) : (var_1_1 == ((signed long int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))))) : 1) : ((var_1_3 <= var_1_2) ? (var_1_1 == ((signed long int) var_1_4)) : (var_1_1 == ((signed long int) var_1_3)))) && ((var_1_2 <= var_1_3) ? (var_1_6 == ((double) (var_1_7 + var_1_8))) : 1)) && (var_1_10 ? ((var_1_4 < (var_1_1 + var_1_5)) ? (var_1_9 == ((unsigned short int) 16)) : 1) : 1)) && (var_1_11 == ((unsigned long int) (((((((2u) > ((3986216790u - var_1_9))) ? (2u) : ((3986216790u - var_1_9)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_9))) ? (2u) : ((3986216790u - var_1_9)))) : ((((2u) > ((3986216790u - var_1_9))) ? (2u) : ((3986216790u - var_1_9))))))))) && (((var_1_5 * (var_1_13 - var_1_14)) <= var_1_3) ? (var_1_12 == ((unsigned short int) (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))))) : 1)) && (var_1_17 == ((signed char) var_1_18))) && ((var_1_13 <= var_1_12) ? (var_1_19 == ((signed short int) ((var_1_17 + 25) + (var_1_20 - (var_1_21 - 1))))) : (var_1_19 == ((signed short int) ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_17)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_17))))))) && (var_1_22 == ((signed char) var_1_18)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=3986216774, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-1, var_1_18=-1, var_1_19=1, var_1_1=2, var_1_20=0, var_1_21=8191, var_1_22=-1, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=16] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=3986216774, var_1_12=256, var_1_13=32767, var_1_14=0, var_1_15=33023, var_1_16=32767, var_1_17=-1, var_1_18=-1, var_1_19=1, var_1_1=2, var_1_20=0, var_1_21=8191, var_1_22=-1, var_1_2=1, var_1_3=1, var_1_4=2, var_1_5=3, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 28, 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=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 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 04:55:16,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 1aab861a420ae258d58e8cdb7baa3d890ad6a0a3ff243e7522ba05d5d977c664 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:19,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:19,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:55:19,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:19,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:19,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:19,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:19,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:19,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:19,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:19,806 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:19,807 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:19,807 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:19,809 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:19,809 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:19,810 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:19,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:19,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:19,812 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:19,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:19,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:19,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:19,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:19,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:19,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:55:19,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:55:19,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:55:19,816 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:19,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:19,817 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:19,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:19,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:55:19,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:19,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:19,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:19,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:19,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:19,820 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:55:19,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:19,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:19,821 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:19,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:19,821 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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aab861a420ae258d58e8cdb7baa3d890ad6a0a3ff243e7522ba05d5d977c664 [2023-11-19 04:55:20,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:20,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:20,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:20,231 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:20,232 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:20,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i [2023-11-19 04:55:23,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:23,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:23,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i [2023-11-19 04:55:23,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data/1d06f56b3/9fd4ed75463546ef8622fc74f1749697/FLAGd31ac6c06 [2023-11-19 04:55:23,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/data/1d06f56b3/9fd4ed75463546ef8622fc74f1749697 [2023-11-19 04:55:23,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:23,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:23,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:23,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:23,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:23,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:23" (1/1) ... [2023-11-19 04:55:23,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dea66a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:23, skipping insertion in model container [2023-11-19 04:55:23,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:23" (1/1) ... [2023-11-19 04:55:23,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:23,826 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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i[917,930] [2023-11-19 04:55:23,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:23,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:23,994 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_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-98.i[917,930] [2023-11-19 04:55:24,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:24,089 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:24,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24 WrapperNode [2023-11-19 04:55:24,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:24,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:24,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:24,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:24,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,196 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-19 04:55:24,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:24,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:24,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:24,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:24,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:24,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:24,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:24,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:24,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (1/1) ... [2023-11-19 04:55:24,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:24,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:24,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:24,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:55:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:24,506 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:24,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:25,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:25,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:25,690 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:25,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:25 BoogieIcfgContainer [2023-11-19 04:55:25,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:25,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:25,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:25,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:25,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:23" (1/3) ... [2023-11-19 04:55:25,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec6048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:25, skipping insertion in model container [2023-11-19 04:55:25,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:24" (2/3) ... [2023-11-19 04:55:25,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec6048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:25, skipping insertion in model container [2023-11-19 04:55:25,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:25" (3/3) ... [2023-11-19 04:55:25,710 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-98.i [2023-11-19 04:55:25,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:25,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:25,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:25,808 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;@7e0da38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:25,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:55:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 04:55:25,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:25,835 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:25,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:25,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash -852064174, now seen corresponding path program 1 times [2023-11-19 04:55:25,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:25,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299690020] [2023-11-19 04:55:25,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:25,873 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 04:55:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:25,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 04:55:25,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 04:55:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:26,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:55:26,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2023-11-19 04:55:26,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:55:26,345 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:26,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299690020] [2023-11-19 04:55:26,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299690020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:26,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:26,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:26,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242421642] [2023-11-19 04:55:26,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:26,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:55:26,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:26,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:55:26,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:26,385 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:55:26,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:26,442 INFO L93 Difference]: Finished difference Result 139 states and 246 transitions. [2023-11-19 04:55:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:55:26,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 172 [2023-11-19 04:55:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:26,460 INFO L225 Difference]: With dead ends: 139 [2023-11-19 04:55:26,461 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 04:55:26,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 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 04:55:26,471 INFO L413 NwaCegarLoop]: 105 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, 105 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 04:55:26,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 04:55:26,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 04:55:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:55:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 105 transitions. [2023-11-19 04:55:26,522 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 105 transitions. Word has length 172 [2023-11-19 04:55:26,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:26,523 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 105 transitions. [2023-11-19 04:55:26,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:55:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2023-11-19 04:55:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 04:55:26,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:26,529 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:26,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 04:55:26,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 04:55:26,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:26,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1848118694, now seen corresponding path program 1 times [2023-11-19 04:55:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:26,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593004945] [2023-11-19 04:55:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:26,737 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 04:55:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:26,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 04:55:26,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50900d08-fa1d-4be4-ba22-1e8ac7b1e948/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 04:55:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:27,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:55:27,126 INFO L285 TraceCheckSpWp]: Computing forward predicates...