./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91 --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 1e02c5de11e993114d19017be871476fa0b70a2f3ad74a20775a8f209845e0a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:46,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:46,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:21:46,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:46,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:46,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:46,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:46,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:46,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:46,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:46,220 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:46,220 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:46,221 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:46,222 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:21:46,222 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:46,223 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:46,223 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:21:46,224 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:21:46,224 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:46,225 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:21:46,225 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:21:46,226 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:21:46,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:46,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:46,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:46,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:21:46,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:46,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:46,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:46,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:46,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:46,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:46,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:46,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:46,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:46,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:46,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:46,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:46,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:46,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:46,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:46,238 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:21:46,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:21:46,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:46,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:46,239 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:46,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:46,239 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_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e02c5de11e993114d19017be871476fa0b70a2f3ad74a20775a8f209845e0a0 [2023-11-24 23:21:46,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:46,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:46,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:46,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:46,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:46,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i [2023-11-24 23:21:49,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:49,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:49,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i [2023-11-24 23:21:49,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data/dab4490d6/68ad6db772ab49e39329666d7e010d50/FLAGcd5d45db0 [2023-11-24 23:21:49,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data/dab4490d6/68ad6db772ab49e39329666d7e010d50 [2023-11-24 23:21:50,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:50,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:50,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:50,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:50,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:50,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793450bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50, skipping insertion in model container [2023-11-24 23:21:50,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:50,260 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_45bcdf89-fd51-43e8-b0d2-343bc496253f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i[913,926] [2023-11-24 23:21:50,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:50,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:50,373 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_45bcdf89-fd51-43e8-b0d2-343bc496253f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i[913,926] [2023-11-24 23:21:50,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:50,427 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:50,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50 WrapperNode [2023-11-24 23:21:50,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:50,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:50,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:50,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:50,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,504 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-24 23:21:50,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:50,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:50,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:50,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:50,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:50,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:50,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:50,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:50,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:50,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:50,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:21:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:21:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:21:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:50,802 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:50,805 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:21:51,339 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:21:51,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:21:51,554 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:21:51,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:51 BoogieIcfgContainer [2023-11-24 23:21:51,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:21:51,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:21:51,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:21:51,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:21:51,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:21:50" (1/3) ... [2023-11-24 23:21:51,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e5b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:51, skipping insertion in model container [2023-11-24 23:21:51,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (2/3) ... [2023-11-24 23:21:51,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e5b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:51, skipping insertion in model container [2023-11-24 23:21:51,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:51" (3/3) ... [2023-11-24 23:21:51,570 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-26.i [2023-11-24 23:21:51,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:21:51,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:21:51,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:21:51,685 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;@1d17ca43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:21:51,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:21:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:21:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-24 23:21:51,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:51,735 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:51,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:51,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:51,743 INFO L85 PathProgramCache]: Analyzing trace with hash 276116709, now seen corresponding path program 1 times [2023-11-24 23:21:51,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:51,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594445428] [2023-11-24 23:21:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:51,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:52,028 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:21:52,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684323749] [2023-11-24 23:21:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:52,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:21:52,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:52,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:21:52,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:21:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:52,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:21:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:52,608 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:21:52,611 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:21:52,612 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:21:52,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:52,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:21:52,825 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:21:52,828 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:21:52,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:21:52 BoogieIcfgContainer [2023-11-24 23:21:52,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:21:52,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:21:52,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:21:52,998 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:21:52,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:51" (3/4) ... [2023-11-24 23:21:53,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:21:53,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:21:53,007 INFO L158 Benchmark]: Toolchain (without parser) took 2998.17ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 108.7MB in the end (delta: 35.5MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-24 23:21:53,008 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:53,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.32ms. Allocated memory is still 188.7MB. Free memory was 143.4MB in the beginning and 129.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:21:53,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.41ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 125.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:21:53,017 INFO L158 Benchmark]: Boogie Preprocessor took 50.22ms. Allocated memory is still 188.7MB. Free memory was 125.3MB in the beginning and 123.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:53,017 INFO L158 Benchmark]: RCFGBuilder took 997.79ms. Allocated memory is still 188.7MB. Free memory was 123.8MB in the beginning and 82.6MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 23:21:53,018 INFO L158 Benchmark]: TraceAbstraction took 1436.15ms. Allocated memory is still 188.7MB. Free memory was 82.6MB in the beginning and 109.8MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:53,018 INFO L158 Benchmark]: Witness Printer took 9.09ms. Allocated memory is still 188.7MB. Free memory was 109.8MB in the beginning and 108.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:53,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.32ms. Allocated memory is still 188.7MB. Free memory was 143.4MB in the beginning and 129.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.41ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 125.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.22ms. Allocated memory is still 188.7MB. Free memory was 125.3MB in the beginning and 123.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 997.79ms. Allocated memory is still 188.7MB. Free memory was 123.8MB in the beginning and 82.6MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1436.15ms. Allocated memory is still 188.7MB. Free memory was 82.6MB in the beginning and 109.8MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.09ms. Allocated memory is still 188.7MB. Free memory was 109.8MB in the beginning and 108.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 153. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] signed long int var_1_2 = 4; [L24] signed long int var_1_3 = 10; [L25] signed long int var_1_4 = -64; [L26] signed long int var_1_5 = -2; [L27] unsigned long int var_1_6 = 256; [L28] unsigned long int var_1_7 = 4; [L29] unsigned long int var_1_8 = 128; [L30] signed char var_1_9 = 10; [L31] unsigned char var_1_10 = 0; [L32] signed char var_1_11 = -1; [L33] unsigned short int var_1_12 = 10000; [L34] float var_1_13 = 5.4; [L35] float var_1_14 = 1.4; [L36] float var_1_15 = 128.9; [L37] float var_1_16 = 199.75; [L38] unsigned long int var_1_17 = 16; [L39] unsigned short int var_1_18 = 32; [L40] unsigned short int var_1_19 = 32; [L41] double var_1_20 = 1.5; [L42] double var_1_21 = 2.75; [L43] unsigned char var_1_22 = 5; [L44] unsigned short int var_1_23 = 55712; [L45] unsigned char var_1_24 = 5; [L46] signed short int var_1_25 = 10; [L47] float var_1_26 = 64.2; [L157] isInitial = 1 [L158] FCALL initially() [L159] COND TRUE 1 [L160] FCALL updateLastVariables() [L161] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=10, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=10, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L95] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=10, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=10, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L96] var_1_3 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=-64, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L99] var_1_4 = __VERIFIER_nondet_long() [L100] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L102] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=-2, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L103] var_1_5 = __VERIFIER_nondet_long() [L104] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L105] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=256, var_1_7=4, var_1_8=128, var_1_9=10] [L106] var_1_6 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_7=4, var_1_8=128, var_1_9=10] [L108] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=4, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=4, var_1_8=128, var_1_9=10] [L109] var_1_7 = __VERIFIER_nondet_ulong() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_8=128, var_1_9=10] [L111] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=128, var_1_9=10] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=128, var_1_9=10] [L112] var_1_8 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_9=10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_9=10] [L114] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L118] var_1_11 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L120] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L121] var_1_13 = __VERIFIER_nondet_float() [L122] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_14=7/5, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L123] var_1_14 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_15=1289/10, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L125] var_1_15 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_16=799/4, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L127] var_1_16 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_17=16, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L129] var_1_17 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L131] CALL assume_abort_if_not(var_1_17 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_17 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L132] var_1_18 = __VERIFIER_nondet_ushort() [L133] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L134] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L135] var_1_19 = __VERIFIER_nondet_ushort() [L136] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L137] CALL assume_abort_if_not(var_1_19 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_19 <= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L138] var_1_21 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L140] var_1_23 = __VERIFIER_nondet_ushort() [L141] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L142] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L143] var_1_24 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L145] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=2, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=2, var_1_25=10, var_1_26=321/5, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L146] var_1_26 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=2, var_1_25=10, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=2, var_1_25=10, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=2, var_1_25=10, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=2, var_1_25=10, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=10] [L161] RET updateVariables() [L162] CALL step() [L51] COND FALSE !(((var_1_2 + var_1_3) / var_1_4) == var_1_5) [L54] COND TRUE ! var_1_10 [L55] COND FALSE !(((((var_1_6) > (var_1_2)) ? (var_1_6) : (var_1_2))) >= var_1_1) [L58] var_1_9 = var_1_11 [L63] COND FALSE !(((var_1_13 - var_1_14) != ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) || var_1_10) [L70] COND FALSE !(var_1_11 > (var_1_12 * (var_1_2 + var_1_7))) [L73] COND FALSE !(var_1_5 > var_1_1) [L84] var_1_22 = var_1_24 [L86] COND TRUE (var_1_15 / var_1_26) > var_1_13 [L87] var_1_25 = ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (2)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (2))) [L162] RET step() [L163] CALL, EXPR property() [L153-L154] return ((((((((var_1_2 + var_1_3) / var_1_4) == var_1_5) ? (var_1_1 == ((unsigned long int) (((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))) + var_1_8))) : 1) && ((! var_1_10) ? ((((((var_1_6) > (var_1_2)) ? (var_1_6) : (var_1_2))) >= var_1_1) ? (var_1_9 == ((signed char) (-16 + var_1_11))) : (var_1_9 == ((signed char) var_1_11))) : (var_1_9 == ((signed char) var_1_11)))) && ((((var_1_13 - var_1_14) != ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) || var_1_10) ? ((var_1_1 >= var_1_17) ? (var_1_12 == ((unsigned short int) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) + 32))) : (var_1_12 == ((unsigned short int) var_1_19))) : 1)) && ((var_1_11 > (var_1_12 * (var_1_2 + var_1_7))) ? (var_1_20 == ((double) var_1_21)) : 1)) && ((var_1_5 > var_1_1) ? ((var_1_5 >= (var_1_4 + var_1_3)) ? ((var_1_18 == (var_1_23 - 8)) ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24)))) && (((var_1_15 / var_1_26) > var_1_13) ? (var_1_25 == ((signed short int) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (2)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (2))))) : (var_1_25 == ((signed short int) var_1_11))) ; [L163] RET, EXPR property() [L163] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_17=17, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_21=0, var_1_22=2, var_1_23=32767, var_1_24=2, var_1_25=2, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=10000, var_1_17=17, var_1_18=32767, var_1_19=9999, var_1_1=16, var_1_20=3/2, var_1_21=0, var_1_22=2, var_1_23=32767, var_1_24=2, var_1_25=2, var_1_2=15, var_1_3=2, var_1_4=1, var_1_5=16, var_1_6=15, var_1_7=2147483647, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 36, 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=65occurred 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, 132 NumberOfCodeBlocks, 132 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 [2023-11-24 23:21:53,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91 --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 1e02c5de11e993114d19017be871476fa0b70a2f3ad74a20775a8f209845e0a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:55,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:56,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:21:56,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:56,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:56,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:56,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:56,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:56,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:56,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:56,071 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:56,072 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:56,073 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:56,074 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:56,075 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:56,075 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:56,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:56,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:56,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:56,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:56,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:56,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:56,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:56,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:56,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:21:56,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:21:56,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:21:56,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:56,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:56,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:56,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:56,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:21:56,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:56,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:56,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:56,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:56,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:56,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:56,088 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:21:56,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:56,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:56,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:56,090 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:56,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:56,091 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_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e02c5de11e993114d19017be871476fa0b70a2f3ad74a20775a8f209845e0a0 [2023-11-24 23:21:56,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:56,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:56,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:56,578 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:56,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:56,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i [2023-11-24 23:21:59,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:00,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:00,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i [2023-11-24 23:22:00,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data/f6c3894e0/362a31910af445988bec05d5abf52d08/FLAGc0336c231 [2023-11-24 23:22:00,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/data/f6c3894e0/362a31910af445988bec05d5abf52d08 [2023-11-24 23:22:00,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:00,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:00,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:00,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:00,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:00,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730d0505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00, skipping insertion in model container [2023-11-24 23:22:00,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:00,476 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_45bcdf89-fd51-43e8-b0d2-343bc496253f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i[913,926] [2023-11-24 23:22:00,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:00,609 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:00,623 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_45bcdf89-fd51-43e8-b0d2-343bc496253f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-26.i[913,926] [2023-11-24 23:22:00,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:00,675 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:00,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00 WrapperNode [2023-11-24 23:22:00,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:00,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:00,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:00,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:00,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,748 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-24 23:22:00,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:00,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:00,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:00,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:00,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:00,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:00,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:00,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:00,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (1/1) ... [2023-11-24 23:22:00,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:00,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:00,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:22:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:01,107 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:01,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:04,319 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:04,375 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:04,376 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:04,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:04 BoogieIcfgContainer [2023-11-24 23:22:04,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:04,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:04,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:04,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:04,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:00" (1/3) ... [2023-11-24 23:22:04,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d577209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:04, skipping insertion in model container [2023-11-24 23:22:04,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:00" (2/3) ... [2023-11-24 23:22:04,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d577209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:04, skipping insertion in model container [2023-11-24 23:22:04,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:04" (3/3) ... [2023-11-24 23:22:04,387 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-26.i [2023-11-24 23:22:04,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:04,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:04,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:04,501 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;@59afbbce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:04,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:22:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-24 23:22:04,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:04,534 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:04,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:04,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:04,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2125055720, now seen corresponding path program 1 times [2023-11-24 23:22:04,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:04,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183132707] [2023-11-24 23:22:04,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:04,564 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 [2023-11-24 23:22:04,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:04,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:04,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:05,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:22:05,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 2450 trivial. 0 not checked. [2023-11-24 23:22:05,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:05,303 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:05,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183132707] [2023-11-24 23:22:05,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183132707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:05,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:05,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:05,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362758714] [2023-11-24 23:22:05,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:05,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:22:05,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:05,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:22:05,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:05,368 INFO L87 Difference]: Start difference. First operand has 79 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:22:07,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:07,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:07,372 INFO L93 Difference]: Finished difference Result 155 states and 288 transitions. [2023-11-24 23:22:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:22:07,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) Word has length 211 [2023-11-24 23:22:07,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:07,440 INFO L225 Difference]: With dead ends: 155 [2023-11-24 23:22:07,440 INFO L226 Difference]: Without dead ends: 77 [2023-11-24 23:22:07,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:07,454 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:07,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-24 23:22:07,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-24 23:22:07,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-24 23:22:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:22:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2023-11-24 23:22:07,509 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 211 [2023-11-24 23:22:07,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:07,510 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2023-11-24 23:22:07,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:22:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-24 23:22:07,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-24 23:22:07,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:07,518 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:07,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:07,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:07,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:07,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash -926777232, now seen corresponding path program 1 times [2023-11-24 23:22:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:07,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726770525] [2023-11-24 23:22:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:07,736 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 [2023-11-24 23:22:07,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:07,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:07,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:08,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:22:08,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-24 23:22:08,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:08,526 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:08,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726770525] [2023-11-24 23:22:08,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726770525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:08,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:08,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:22:08,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315333256] [2023-11-24 23:22:08,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:08,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:22:08,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:08,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:22:08,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:08,537 INFO L87 Difference]: Start difference. First operand 77 states and 122 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:22:10,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:10,822 INFO L93 Difference]: Finished difference Result 192 states and 303 transitions. [2023-11-24 23:22:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:22:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 211 [2023-11-24 23:22:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:10,829 INFO L225 Difference]: With dead ends: 192 [2023-11-24 23:22:10,829 INFO L226 Difference]: Without dead ends: 116 [2023-11-24 23:22:10,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:10,832 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 58 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:10,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 284 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:22:10,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-24 23:22:10,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2023-11-24 23:22:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 59 states have (on average 1.305084745762712) internal successors, (77), 60 states have internal predecessors, (77), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-24 23:22:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 179 transitions. [2023-11-24 23:22:10,866 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 179 transitions. Word has length 211 [2023-11-24 23:22:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:10,868 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 179 transitions. [2023-11-24 23:22:10,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:22:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 179 transitions. [2023-11-24 23:22:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-24 23:22:10,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:10,875 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:10,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:11,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:11,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:11,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:11,092 INFO L85 PathProgramCache]: Analyzing trace with hash -783036796, now seen corresponding path program 1 times [2023-11-24 23:22:11,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:11,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066097519] [2023-11-24 23:22:11,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:11,093 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 [2023-11-24 23:22:11,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:11,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:11,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcdf89-fd51-43e8-b0d2-343bc496253f/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:22:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:11,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:22:11,770 INFO L285 TraceCheckSpWp]: Computing forward predicates...