./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 153eaa15e8e0a77251d6fe10f88c717893889a67505536b5976381908daebffc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:49,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:49,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:13:49,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:49,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:49,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:49,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:49,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:49,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:49,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:49,568 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:49,568 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:49,569 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:49,571 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:13:49,572 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:49,572 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:49,573 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:13:49,573 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:13:49,574 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:49,574 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:13:49,575 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:13:49,595 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:13:49,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:49,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:49,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:49,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:13:49,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:49,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:49,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:49,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:49,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:49,600 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:49,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:49,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:49,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:49,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:49,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:49,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:49,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:49,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:49,603 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:13:49,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:13:49,603 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:49,604 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:49,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:49,604 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_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153eaa15e8e0a77251d6fe10f88c717893889a67505536b5976381908daebffc [2023-11-19 05:13:49,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:49,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:49,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:49,948 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:49,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:49,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i [2023-11-19 05:13:53,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:53,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:53,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i [2023-11-19 05:13:53,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data/fcb2b6ea8/fce50b9a18dc453795ecd615c99b8ab9/FLAG2a736f14b [2023-11-19 05:13:53,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data/fcb2b6ea8/fce50b9a18dc453795ecd615c99b8ab9 [2023-11-19 05:13:53,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:53,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:53,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:53,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:53,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:53,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:53" (1/1) ... [2023-11-19 05:13:53,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118a707f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:53, skipping insertion in model container [2023-11-19 05:13:53,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:53" (1/1) ... [2023-11-19 05:13:53,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:53,793 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_19d69813-bc48-4d8a-b279-f6181228e00a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i[919,932] [2023-11-19 05:13:53,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:53,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:53,953 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_19d69813-bc48-4d8a-b279-f6181228e00a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i[919,932] [2023-11-19 05:13:53,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:54,013 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:54,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54 WrapperNode [2023-11-19 05:13:54,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:54,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:54,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:54,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:54,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,090 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 265 [2023-11-19 05:13:54,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:54,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:54,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:54,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:54,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:54,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:54,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:54,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:54,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (1/1) ... [2023-11-19 05:13:54,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:54,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:54,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:54,428 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:54,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:55,104 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:55,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:55,774 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:55,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:55 BoogieIcfgContainer [2023-11-19 05:13:55,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:55,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:55,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:55,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:55,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:53" (1/3) ... [2023-11-19 05:13:55,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41585ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:55, skipping insertion in model container [2023-11-19 05:13:55,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:54" (2/3) ... [2023-11-19 05:13:55,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41585ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:55, skipping insertion in model container [2023-11-19 05:13:55,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:55" (3/3) ... [2023-11-19 05:13:55,792 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i [2023-11-19 05:13:55,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:55,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:55,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:55,878 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;@58b316f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:55,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:13:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 05:13:55,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:55,904 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:55,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:55,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:55,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1705402494, now seen corresponding path program 1 times [2023-11-19 05:13:55,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:55,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989257136] [2023-11-19 05:13:55,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:55,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:56,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:13:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:56,837 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:13:56,839 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:13:56,841 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:56,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:13:56,849 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:56,856 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:57,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:57 BoogieIcfgContainer [2023-11-19 05:13:57,018 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:57,019 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:57,019 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:57,019 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:57,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:55" (3/4) ... [2023-11-19 05:13:57,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:13:57,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:57,028 INFO L158 Benchmark]: Toolchain (without parser) took 3549.95ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 129.6MB in the beginning and 176.6MB in the end (delta: -46.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:57,028 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:57,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.66ms. Allocated memory is still 157.3MB. Free memory was 129.2MB in the beginning and 114.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:13:57,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.54ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 110.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:13:57,033 INFO L158 Benchmark]: Boogie Preprocessor took 52.65ms. Allocated memory is still 157.3MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:57,036 INFO L158 Benchmark]: RCFGBuilder took 1635.07ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 117.7MB in the end (delta: -9.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-11-19 05:13:57,037 INFO L158 Benchmark]: TraceAbstraction took 1235.26ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 117.7MB in the beginning and 176.6MB in the end (delta: -58.8MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-19 05:13:57,038 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 209.7MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:57,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.66ms. Allocated memory is still 157.3MB. Free memory was 129.2MB in the beginning and 114.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.54ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 110.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.65ms. Allocated memory is still 157.3MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1635.07ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 117.7MB in the end (delta: -9.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1235.26ms. Allocated memory was 157.3MB in the beginning and 209.7MB in the end (delta: 52.4MB). Free memory was 117.7MB in the beginning and 176.6MB in the end (delta: -58.8MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 209.7MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of bitwiseOr at line 74, overapproximation of someBinaryArithmeticDOUBLEoperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned short int var_1_8 = 64; [L24] unsigned short int var_1_11 = 256; [L25] unsigned short int var_1_12 = 0; [L26] unsigned short int var_1_13 = 64; [L27] unsigned char var_1_14 = 1; [L28] unsigned char var_1_15 = 0; [L29] signed char var_1_16 = 50; [L30] signed char var_1_19 = -100; [L31] double var_1_20 = 100000000.8; [L32] double var_1_21 = 15.125; [L33] double var_1_22 = 99.22; [L34] signed long int var_1_23 = -16; [L35] unsigned char var_1_24 = 1; [L36] signed char var_1_25 = 10; [L37] signed char var_1_26 = 16; [L38] unsigned char var_1_27 = 0; [L39] double var_1_28 = 5.5; [L40] signed long int var_1_29 = 50; [L41] signed char var_1_31 = 4; [L42] unsigned short int var_1_33 = 16; [L43] unsigned char var_1_39 = 4; [L44] signed long int var_1_41 = -5; [L45] double var_1_42 = 49.6; [L46] signed long int var_1_45 = -2; [L47] unsigned long int var_1_47 = 16; [L48] unsigned long int var_1_50 = 1275815169; [L49] unsigned long int var_1_51 = 1483937619; [L50] signed short int last_1_var_1_1 = 4; [L51] unsigned char last_1_var_1_14 = 1; [L52] signed char last_1_var_1_16 = 50; [L53] signed long int last_1_var_1_23 = -16; [L54] unsigned char last_1_var_1_24 = 1; [L55] double last_1_var_1_28 = 5.5; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L177] last_1_var_1_1 = var_1_1 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_16 = var_1_16 [L180] last_1_var_1_23 = var_1_23 [L181] last_1_var_1_24 = var_1_24 [L182] last_1_var_1_28 = var_1_28 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L141] var_1_11 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L143] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=0, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L144] var_1_12 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L146] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=64, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L147] var_1_13 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L149] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=0, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L150] var_1_15 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L152] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-100, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L153] var_1_19 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L155] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=121/8, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L156] var_1_21 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=4961/50, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L158] var_1_22 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=10, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L160] var_1_25 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_25 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_25 >= -1) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L162] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=16, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L163] var_1_26 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L165] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L166] var_1_27 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L168] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=1275815169, var_1_51=1483937619, var_1_8=64] [L169] var_1_50 = __VERIFIER_nondet_ulong() [L170] CALL assume_abort_if_not(var_1_50 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_50 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L171] CALL assume_abort_if_not(var_1_50 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_50 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=1483937619, var_1_8=64] [L172] var_1_51 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_51 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=2147483647, var_1_8=64] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_51 >= 1073741824) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=2147483647, var_1_8=64] [L174] CALL assume_abort_if_not(var_1_51 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=2147483647, var_1_8=64] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_51 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=50, var_1_19=-5, var_1_1=4, var_1_20=500000004/5, var_1_21=248/5, var_1_22=248/5, var_1_23=-16, var_1_24=1, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=11/2, var_1_29=50, var_1_31=4, var_1_33=16, var_1_39=4, var_1_41=-5, var_1_42=248/5, var_1_45=-2, var_1_47=16, var_1_50=2147483647, var_1_51=2147483647, var_1_8=64] [L193] RET updateVariables() [L194] CALL step() [L59] signed long int stepLocal_3 = last_1_var_1_23; [L60] unsigned char stepLocal_2 = ! (last_1_var_1_14 || last_1_var_1_14); [L61] COND FALSE !(last_1_var_1_23 < stepLocal_3) [L72] var_1_16 = 100 [L74] EXPR ((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16 [L74] COND TRUE (((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23 [L75] var_1_23 = (5 - var_1_12) [L79] var_1_20 = (var_1_21 - (var_1_22 + 1.5)) [L80] var_1_28 = var_1_21 [L81] unsigned char stepLocal_0 = var_1_23 > 4; [L82] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L83] var_1_1 = (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))) [L87] var_1_24 = ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27) [L88] signed char stepLocal_1 = var_1_16; [L89] EXPR var_1_16 ^ var_1_16 [L89] COND TRUE stepLocal_1 > (var_1_23 + (var_1_16 ^ var_1_16)) [L90] var_1_14 = (var_1_24 || var_1_15) [L92] COND TRUE \read(var_1_14) [L93] COND FALSE !(\read(var_1_24)) [L97] var_1_29 = var_1_25 [L98] var_1_31 = var_1_19 [L99] COND FALSE !(\read(var_1_24)) [L104] COND TRUE ((((var_1_28) < (var_1_21)) ? (var_1_28) : (var_1_21))) < var_1_28 [L105] var_1_33 = var_1_11 [L108] var_1_39 = var_1_26 [L109] COND TRUE var_1_12 != var_1_1 [L110] EXPR -5 | var_1_12 [L110] COND TRUE (-5 | var_1_12) <= var_1_19 [L111] var_1_41 = ((((var_1_12) > (var_1_11)) ? (var_1_12) : (var_1_11))) [L114] COND TRUE 1000000.4f != var_1_21 [L115] COND TRUE var_1_21 > var_1_22 [L116] var_1_42 = ((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22))) [L119] COND FALSE !(var_1_24 && var_1_14) [L122] var_1_45 = ((var_1_19 + var_1_12) + var_1_26) [L124] COND FALSE !(var_1_22 < var_1_22) [L137] var_1_47 = var_1_1 [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) [L185] EXPR var_1_16 ^ var_1_16 [L185] EXPR ((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1) [L185] EXPR (((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1)))))) [L185] EXPR ((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16 [L185] EXPR (((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1)))))) [L185-L186] return (((((((((var_1_23 <= var_1_23) || (var_1_23 > 4)) ? (var_1_1 == ((signed short int) (((((var_1_16 + (var_1_16 + var_1_16))) > (-100)) ? ((var_1_16 + (var_1_16 + var_1_16))) : (-100))))) : (var_1_1 == ((signed short int) var_1_16))) && (var_1_14 ? (var_1_24 ? (var_1_8 == ((unsigned short int) (((((var_1_11 + var_1_12)) > (var_1_13)) ? ((var_1_11 + var_1_12)) : (var_1_13))))) : 1) : 1)) && ((var_1_16 > (var_1_23 + (var_1_16 ^ var_1_16))) ? (var_1_14 == ((unsigned char) (var_1_24 || var_1_15))) : 1)) && ((last_1_var_1_23 < last_1_var_1_23) ? (((! (last_1_var_1_14 || last_1_var_1_14)) && last_1_var_1_24) ? ((((((2.75f) > (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f))))) ? (2.75f) : (((((last_1_var_1_28) < (999999.95f)) ? (last_1_var_1_28) : (999999.95f)))))) != last_1_var_1_28) ? (var_1_16 == ((signed char) 10)) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) var_1_19))) : (var_1_16 == ((signed char) 100)))) && (var_1_20 == ((double) (var_1_21 - (var_1_22 + 1.5))))) && (((((((last_1_var_1_1) > (last_1_var_1_16)) ? (last_1_var_1_1) : (last_1_var_1_16))) | last_1_var_1_16) >= last_1_var_1_23) ? (var_1_23 == ((signed long int) (5 - var_1_12))) : (var_1_23 == ((signed long int) ((((var_1_11) > (last_1_var_1_1)) ? (var_1_11) : (last_1_var_1_1))))))) && (var_1_24 == ((unsigned char) ((var_1_1 <= (var_1_25 - var_1_26)) && var_1_27)))) && (var_1_28 == ((double) var_1_21)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-5, var_1_1=300, var_1_21=248/5, var_1_22=248/5, var_1_23=4, var_1_24=0, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=248/5, var_1_29=126, var_1_31=-5, var_1_33=2, var_1_39=127, var_1_41=2, var_1_42=248/5, var_1_45=123, var_1_47=300, var_1_50=2147483647, var_1_51=2147483647, var_1_8=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=1, last_1_var_1_16=50, last_1_var_1_1=4, last_1_var_1_23=-16, last_1_var_1_24=1, last_1_var_1_28=11/2, var_1_11=2, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_15=1, var_1_16=100, var_1_19=-5, var_1_1=300, var_1_21=248/5, var_1_22=248/5, var_1_23=4, var_1_24=0, var_1_25=126, var_1_26=127, var_1_27=0, var_1_28=248/5, var_1_29=126, var_1_31=-5, var_1_33=2, var_1_39=127, var_1_41=2, var_1_42=248/5, var_1_45=123, var_1_47=300, var_1_50=2147483647, var_1_51=2147483647, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 22, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:13:57,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 153eaa15e8e0a77251d6fe10f88c717893889a67505536b5976381908daebffc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:59,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:59,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:13:59,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:59,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:59,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:59,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:59,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:59,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:59,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:59,848 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:59,849 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:59,849 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:59,851 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:59,851 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:59,852 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:59,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:59,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:59,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:59,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:59,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:59,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:59,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:59,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:59,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:13:59,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:13:59,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:13:59,857 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:59,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:59,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:59,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:59,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:13:59,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:59,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:59,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:59,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:59,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:59,862 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:13:59,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:59,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:59,863 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:59,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:59,864 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_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153eaa15e8e0a77251d6fe10f88c717893889a67505536b5976381908daebffc [2023-11-19 05:14:00,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:00,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:00,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:00,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:00,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:00,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i [2023-11-19 05:14:03,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:03,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:03,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i [2023-11-19 05:14:03,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data/c611fea16/b80346cc21324053b596b5f7cfd8e42e/FLAG86437388f [2023-11-19 05:14:03,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/data/c611fea16/b80346cc21324053b596b5f7cfd8e42e [2023-11-19 05:14:03,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:03,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:03,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:03,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:03,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:03,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:03" (1/1) ... [2023-11-19 05:14:03,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef65a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:03, skipping insertion in model container [2023-11-19 05:14:03,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:03" (1/1) ... [2023-11-19 05:14:03,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:04,066 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_19d69813-bc48-4d8a-b279-f6181228e00a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i[919,932] [2023-11-19 05:14:04,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:04,224 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:04,267 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_19d69813-bc48-4d8a-b279-f6181228e00a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i[919,932] [2023-11-19 05:14:04,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:04,373 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:04,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04 WrapperNode [2023-11-19 05:14:04,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:04,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:04,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:04,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:04,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,475 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-19 05:14:04,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:04,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:04,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:04,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:04,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:04,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:04,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:04,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:04,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (1/1) ... [2023-11-19 05:14:04,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:04,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:04,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:04,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:14:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:14:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:14:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:04,750 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:04,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:06,790 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:06,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:06,801 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:06,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:06 BoogieIcfgContainer [2023-11-19 05:14:06,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:06,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:06,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:06,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:06,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:03" (1/3) ... [2023-11-19 05:14:06,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b2a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:06, skipping insertion in model container [2023-11-19 05:14:06,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:04" (2/3) ... [2023-11-19 05:14:06,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b2a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:06, skipping insertion in model container [2023-11-19 05:14:06,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:06" (3/3) ... [2023-11-19 05:14:06,816 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-65.i [2023-11-19 05:14:06,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:06,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:06,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:06,902 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;@7f7cef60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:06,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:14:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:14:06,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:06,927 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:06,928 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:06,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:06,935 INFO L85 PathProgramCache]: Analyzing trace with hash -326611704, now seen corresponding path program 1 times [2023-11-19 05:14:06,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:06,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882183956] [2023-11-19 05:14:06,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:06,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:06,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:07,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:07,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:14:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:07,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:14:07,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-19 05:14:07,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:07,476 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:07,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882183956] [2023-11-19 05:14:07,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882183956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:07,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:07,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:14:07,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463679833] [2023-11-19 05:14:07,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:07,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:14:07,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:07,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:14:07,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:07,538 INFO L87 Difference]: Start difference. First operand has 77 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:14:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:07,603 INFO L93 Difference]: Finished difference Result 144 states and 252 transitions. [2023-11-19 05:14:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:14:07,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 146 [2023-11-19 05:14:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:07,615 INFO L225 Difference]: With dead ends: 144 [2023-11-19 05:14:07,615 INFO L226 Difference]: Without dead ends: 70 [2023-11-19 05:14:07,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:07,625 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:07,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:14:07,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-19 05:14:07,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-19 05:14:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:14:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2023-11-19 05:14:07,707 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 146 [2023-11-19 05:14:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:07,708 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2023-11-19 05:14:07,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:14:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2023-11-19 05:14:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:14:07,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:07,723 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:07,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:07,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:07,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:07,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:07,935 INFO L85 PathProgramCache]: Analyzing trace with hash 34564422, now seen corresponding path program 1 times [2023-11-19 05:14:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:07,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298228796] [2023-11-19 05:14:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:07,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:14:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:08,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:14:08,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-19 05:14:09,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 05:14:09,607 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:09,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298228796] [2023-11-19 05:14:09,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298228796] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:09,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [137615121] [2023-11-19 05:14:09,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:09,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:09,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:09,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:09,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:14:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:10,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:14:10,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:14:10,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:10,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [137615121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:10,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:14:10,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 10 [2023-11-19 05:14:10,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490741728] [2023-11-19 05:14:10,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:10,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:14:10,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:10,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:14:10,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:14:10,328 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:11,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:11,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:11,893 INFO L93 Difference]: Finished difference Result 203 states and 310 transitions. [2023-11-19 05:14:11,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:14:11,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2023-11-19 05:14:11,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:11,898 INFO L225 Difference]: With dead ends: 203 [2023-11-19 05:14:11,899 INFO L226 Difference]: Without dead ends: 136 [2023-11-19 05:14:11,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 426 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:14:11,902 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 91 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:11,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 275 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 05:14:11,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-19 05:14:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2023-11-19 05:14:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:14:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 204 transitions. [2023-11-19 05:14:11,936 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 204 transitions. Word has length 146 [2023-11-19 05:14:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:11,937 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 204 transitions. [2023-11-19 05:14:11,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 204 transitions. [2023-11-19 05:14:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:14:11,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:11,941 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:11,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:12,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:12,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:12,351 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:12,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash 91822724, now seen corresponding path program 1 times [2023-11-19 05:14:12,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:12,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807018423] [2023-11-19 05:14:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:12,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:12,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:12,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:14:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:12,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:14:12,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-19 05:14:13,225 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 05:14:13,636 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:13,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807018423] [2023-11-19 05:14:13,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807018423] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:13,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1976618274] [2023-11-19 05:14:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:13,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:13,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:13,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:13,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 05:14:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:14,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:14:14,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2023-11-19 05:14:15,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 05:14:15,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1976618274] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:15,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275966512] [2023-11-19 05:14:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:15,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:14:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:15,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:14:15,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 05:14:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:16,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:14:16,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 410 proven. 84 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2023-11-19 05:14:16,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 05:14:17,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275966512] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:17,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:14:17,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9, 6] total 12 [2023-11-19 05:14:17,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647949525] [2023-11-19 05:14:17,205 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:14:17,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:14:17,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:17,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:14:17,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:14:17,213 INFO L87 Difference]: Start difference. First operand 134 states and 204 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-11-19 05:14:18,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:18,783 INFO L93 Difference]: Finished difference Result 224 states and 334 transitions. [2023-11-19 05:14:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 05:14:18,784 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 146 [2023-11-19 05:14:18,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:18,787 INFO L225 Difference]: With dead ends: 224 [2023-11-19 05:14:18,787 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 05:14:18,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 859 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:14:18,791 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 252 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:18,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 266 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 05:14:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 05:14:18,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2023-11-19 05:14:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 57 states have internal predecessors, (71), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:14:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2023-11-19 05:14:18,809 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 146 [2023-11-19 05:14:18,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:18,810 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2023-11-19 05:14:18,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 3 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-11-19 05:14:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2023-11-19 05:14:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 05:14:18,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:18,813 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:18,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-19 05:14:19,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:19,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:19,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:19,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:19,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:19,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1745634194, now seen corresponding path program 1 times [2023-11-19 05:14:19,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:19,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976368155] [2023-11-19 05:14:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:19,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:19,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:19,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:19,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:14:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:19,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:14:19,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:14:19,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:19,955 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:19,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976368155] [2023-11-19 05:14:19,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976368155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:19,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:19,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:14:19,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183655788] [2023-11-19 05:14:19,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:19,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:14:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:19,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:14:19,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:19,959 INFO L87 Difference]: Start difference. First operand 88 states and 127 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:20,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:20,708 INFO L93 Difference]: Finished difference Result 182 states and 255 transitions. [2023-11-19 05:14:20,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:14:20,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-19 05:14:20,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:20,713 INFO L225 Difference]: With dead ends: 182 [2023-11-19 05:14:20,713 INFO L226 Difference]: Without dead ends: 107 [2023-11-19 05:14:20,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:20,715 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 53 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:20,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 195 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 05:14:20,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-19 05:14:20,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2023-11-19 05:14:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.208955223880597) internal successors, (81), 68 states have internal predecessors, (81), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-19 05:14:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions. [2023-11-19 05:14:20,743 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 147 [2023-11-19 05:14:20,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:20,744 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions. [2023-11-19 05:14:20,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2023-11-19 05:14:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 05:14:20,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:20,747 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:20,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-19 05:14:20,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:20,955 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:20,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1352607184, now seen corresponding path program 1 times [2023-11-19 05:14:20,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:20,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454765684] [2023-11-19 05:14:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:20,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:20,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:20,964 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:20,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 05:14:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:21,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:14:21,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 327 proven. 12 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2023-11-19 05:14:21,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 05:14:21,961 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:21,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454765684] [2023-11-19 05:14:21,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454765684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:21,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [746965210] [2023-11-19 05:14:21,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:21,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:21,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:21,963 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:21,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 05:14:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:22,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:14:22,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:14:22,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:22,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [746965210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:22,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:14:22,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 8 [2023-11-19 05:14:22,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453538299] [2023-11-19 05:14:22,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:22,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:14:22,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:22,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:14:22,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:14:22,507 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:23,498 INFO L93 Difference]: Finished difference Result 259 states and 357 transitions. [2023-11-19 05:14:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:14:23,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-19 05:14:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:23,503 INFO L225 Difference]: With dead ends: 259 [2023-11-19 05:14:23,503 INFO L226 Difference]: Without dead ends: 180 [2023-11-19 05:14:23,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 431 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:14:23,505 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 86 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:23,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 264 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 05:14:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-19 05:14:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 170. [2023-11-19 05:14:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 105 states have (on average 1.180952380952381) internal successors, (124), 107 states have internal predecessors, (124), 54 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:14:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 232 transitions. [2023-11-19 05:14:23,533 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 232 transitions. Word has length 147 [2023-11-19 05:14:23,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:23,534 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 232 transitions. [2023-11-19 05:14:23,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:14:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 232 transitions. [2023-11-19 05:14:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 05:14:23,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:23,537 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:23,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:23,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:23,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:23,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:23,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1409865486, now seen corresponding path program 1 times [2023-11-19 05:14:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:23,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5928125] [2023-11-19 05:14:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:23,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:14:23,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:23,961 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:14:23,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d69813-bc48-4d8a-b279-f6181228e00a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-19 05:14:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:24,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 05:14:24,315 INFO L285 TraceCheckSpWp]: Computing forward predicates...