./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.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_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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_02311a8c-e58a-4e64-84fe-7f4436229524/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 ef5e205a173479c136fa5de4149ed66a4c00470b1df38c35f7f75fc2309cd4c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:28,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:28,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:21:29,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:29,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:29,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:29,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:29,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:29,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:29,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:29,050 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:29,051 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:29,052 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:29,053 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:29,054 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:29,054 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:29,054 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:29,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:29,055 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:29,056 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:29,056 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:29,057 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:29,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:29,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:29,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:29,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:29,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:29,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:29,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:29,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:29,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:29,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:29,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:29,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:29,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:29,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:29,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:29,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:29,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:29,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:29,065 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:29,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:29,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:29,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:29,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:29,068 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_02311a8c-e58a-4e64-84fe-7f4436229524/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef5e205a173479c136fa5de4149ed66a4c00470b1df38c35f7f75fc2309cd4c7 [2023-11-19 05:21:29,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:29,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:29,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:29,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:29,447 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:29,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i [2023-11-19 05:21:32,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:32,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:32,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i [2023-11-19 05:21:32,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data/11b099e9b/f66ecbe07d714d0a8473cfecafecab18/FLAGaa698da4c [2023-11-19 05:21:32,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data/11b099e9b/f66ecbe07d714d0a8473cfecafecab18 [2023-11-19 05:21:32,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:32,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:32,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:32,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:32,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:32,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:32" (1/1) ... [2023-11-19 05:21:32,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de75542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:32, skipping insertion in model container [2023-11-19 05:21:32,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:32" (1/1) ... [2023-11-19 05:21:32,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:32,836 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_02311a8c-e58a-4e64-84fe-7f4436229524/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i[919,932] [2023-11-19 05:21:32,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:32,934 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:32,947 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_02311a8c-e58a-4e64-84fe-7f4436229524/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i[919,932] [2023-11-19 05:21:32,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:33,036 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:33,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33 WrapperNode [2023-11-19 05:21:33,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:33,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:33,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:33,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:33,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,138 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-19 05:21:33,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:33,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:33,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:33,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:33,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:33,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:33,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:33,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:33,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (1/1) ... [2023-11-19 05:21:33,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:33,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:33,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:33,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:33,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:33,525 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:33,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:34,007 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:34,294 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:34,294 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:34,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:34 BoogieIcfgContainer [2023-11-19 05:21:34,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:34,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:34,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:34,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:34,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:32" (1/3) ... [2023-11-19 05:21:34,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c4ecbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:34, skipping insertion in model container [2023-11-19 05:21:34,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:33" (2/3) ... [2023-11-19 05:21:34,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c4ecbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:34, skipping insertion in model container [2023-11-19 05:21:34,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:34" (3/3) ... [2023-11-19 05:21:34,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i [2023-11-19 05:21:34,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:34,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:34,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:34,434 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;@cf887b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:34,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:21:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 05:21:34,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:34,453 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:34,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:34,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:34,459 INFO L85 PathProgramCache]: Analyzing trace with hash 619002098, now seen corresponding path program 1 times [2023-11-19 05:21:34,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:34,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053399261] [2023-11-19 05:21:34,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:34,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:34,714 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:21:34,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566623295] [2023-11-19 05:21:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:34,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:21:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:34,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:21:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:21:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:21:35,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:21:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:21:35,491 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:21:35,493 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:21:35,494 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:21:35,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:21:35,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:21:35,707 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:21:35,710 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:21:35,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:21:35 BoogieIcfgContainer [2023-11-19 05:21:35,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:21:35,853 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:21:35,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:21:35,854 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:21:35,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:34" (3/4) ... [2023-11-19 05:21:35,856 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:21:35,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:21:35,859 INFO L158 Benchmark]: Toolchain (without parser) took 3245.61ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 134.1MB in the beginning and 122.3MB in the end (delta: 11.8MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-19 05:21:35,859 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:35,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.43ms. Allocated memory is still 165.7MB. Free memory was 134.1MB in the beginning and 119.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:21:35,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.86ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 114.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:21:35,870 INFO L158 Benchmark]: Boogie Preprocessor took 92.14ms. Allocated memory is still 165.7MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:21:35,872 INFO L158 Benchmark]: RCFGBuilder took 1067.43ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 67.7MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 05:21:35,872 INFO L158 Benchmark]: TraceAbstraction took 1551.82ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 66.9MB in the beginning and 122.3MB in the end (delta: -55.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:35,873 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 199.2MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:21:35,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.43ms. Allocated memory is still 165.7MB. Free memory was 134.1MB in the beginning and 119.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.86ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 114.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.14ms. Allocated memory is still 165.7MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1067.43ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 67.7MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1551.82ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 66.9MB in the beginning and 122.3MB in the end (delta: -55.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 199.2MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of bitwiseOr at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryArithmeticFLOAToperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] unsigned char var_1_27 = 50; [L40] signed short int var_1_29 = 10; [L41] double var_1_33 = 7.125; [L42] float var_1_34 = 0.75; [L43] float var_1_35 = 25.5; [L44] float var_1_36 = 9.038; [L45] float var_1_39 = 128.5; [L46] float var_1_41 = 15.25; [L47] float var_1_42 = 64.5; [L48] float var_1_43 = 256.3; [L49] unsigned long int var_1_44 = 32; [L50] double var_1_45 = 63.25; [L51] unsigned char last_1_var_1_15 = 8; [L176] isInitial = 1 [L177] FCALL initially() [L178] COND TRUE 1 [L179] CALL updateLastVariables() [L169] last_1_var_1_15 = var_1_15 [L179] RET updateLastVariables() [L180] CALL updateVariables() [L135] var_1_4 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L137] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L138] var_1_5 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L141] var_1_11 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] var_1_12 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] var_1_14 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L149] var_1_16 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L152] var_1_18 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L155] var_1_34 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L157] var_1_35 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] var_1_36 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L161] var_1_41 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=6, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=6, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L163] var_1_42 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=6, var_1_42=7, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=6, var_1_42=7, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L165] var_1_43 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=6, var_1_42=7, var_1_43=8, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=257/2, var_1_41=6, var_1_42=7, var_1_43=8, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L180] RET updateVariables() [L181] CALL step() [L55] COND FALSE !(32.2f > (25.5f - ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) [L58] var_1_27 = var_1_16 [L59] COND TRUE var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13))) [L60] COND FALSE !(var_1_15 == var_1_16) [L63] var_1_29 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L66] COND TRUE var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36) [L67] COND TRUE (((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) - var_1_16) > var_1_11 [L68] COND TRUE var_1_16 < var_1_15 [L69] var_1_33 = 0.6 [L77] COND TRUE \read(var_1_5) [L78] var_1_39 = var_1_14 [L84] COND FALSE !(((var_1_14 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35) [L87] COND TRUE \read(var_1_5) [L88] var_1_45 = (((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43))) + var_1_42) [L90] unsigned char stepLocal_1 = ! var_1_5; [L91] COND TRUE stepLocal_1 || (var_1_12 < last_1_var_1_15) [L92] COND FALSE !(! var_1_5) [L95] var_1_13 = var_1_14 [L98] COND FALSE !((127.35 + var_1_13) <= var_1_13) [L103] COND FALSE !((- var_1_13) > 31.9f) [L106] var_1_1 = var_1_5 [L108] COND TRUE \read(var_1_1) [L109] var_1_15 = var_1_16 [L111] var_1_22 = 1 [L112] var_1_23 = var_1_22 [L113] unsigned long int stepLocal_0 = var_1_23; [L114] COND FALSE !(var_1_15 > stepLocal_0) [L117] unsigned char stepLocal_2 = var_1_23 < var_1_15; [L118] COND TRUE var_1_1 || stepLocal_2 [L119] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) [L123] signed long int stepLocal_3 = -10; [L124] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) [L127] COND FALSE !(! (var_1_17 <= var_1_17)) [L130] var_1_20 = var_1_12 [L181] RET step() [L182] CALL, EXPR property() [L172-L173] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; [L182] RET, EXPR property() [L182] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=7, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=0, var_1_29=0, var_1_33=3/5, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=2, var_1_41=6, var_1_42=7, var_1_43=8, var_1_44=32, var_1_45=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=-1, var_1_12=7, var_1_13=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_17=8192, var_1_18=8192, var_1_1=1, var_1_20=7, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=0, var_1_29=0, var_1_33=3/5, var_1_34=3, var_1_35=4, var_1_36=5, var_1_39=2, var_1_41=6, var_1_42=7, var_1_43=8, var_1_44=32, var_1_45=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 19, 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=41occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 05:21:35,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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_02311a8c-e58a-4e64-84fe-7f4436229524/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 ef5e205a173479c136fa5de4149ed66a4c00470b1df38c35f7f75fc2309cd4c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:38,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:38,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:21:38,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:38,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:38,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:38,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:38,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:38,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:38,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:38,493 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:38,494 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:38,494 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:38,496 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:38,496 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:38,497 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:38,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:38,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:38,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:21:38,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:21:38,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:38,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:38,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:38,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:38,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:21:38,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:21:38,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:21:38,503 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:21:38,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:38,504 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:38,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:38,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:21:38,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:38,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:38,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:38,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:38,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:38,507 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:21:38,508 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:21:38,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:38,509 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:38,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:38,510 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_02311a8c-e58a-4e64-84fe-7f4436229524/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef5e205a173479c136fa5de4149ed66a4c00470b1df38c35f7f75fc2309cd4c7 [2023-11-19 05:21:38,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:38,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:38,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:38,954 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:38,955 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:38,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i [2023-11-19 05:21:42,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:42,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:42,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i [2023-11-19 05:21:42,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data/ebad0fc06/54d90d148b9d4ebdbc5ab0e6b8c9daec/FLAG5465f133e [2023-11-19 05:21:42,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/data/ebad0fc06/54d90d148b9d4ebdbc5ab0e6b8c9daec [2023-11-19 05:21:42,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:42,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:42,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:42,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:42,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:42,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2ded99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42, skipping insertion in model container [2023-11-19 05:21:42,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:42,746 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_02311a8c-e58a-4e64-84fe-7f4436229524/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i[919,932] [2023-11-19 05:21:42,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:42,835 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:42,849 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_02311a8c-e58a-4e64-84fe-7f4436229524/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i[919,932] [2023-11-19 05:21:42,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:42,905 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:42,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42 WrapperNode [2023-11-19 05:21:42,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:42,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:42,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:42,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:42,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,971 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-11-19 05:21:42,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:42,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:42,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:42,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:42,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:43,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:43,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:43,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:43,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:43,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:43,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:21:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:43,272 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:43,275 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:49,494 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:49,503 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:49,503 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:49,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:49 BoogieIcfgContainer [2023-11-19 05:21:49,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:49,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:49,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:49,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:49,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:42" (1/3) ... [2023-11-19 05:21:49,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8c5135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:49, skipping insertion in model container [2023-11-19 05:21:49,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (2/3) ... [2023-11-19 05:21:49,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8c5135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:49, skipping insertion in model container [2023-11-19 05:21:49,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:49" (3/3) ... [2023-11-19 05:21:49,517 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-41.i [2023-11-19 05:21:49,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:49,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:49,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:49,595 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;@72a46a67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:49,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:21:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 05:21:49,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:49,614 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:49,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:49,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash 135872854, now seen corresponding path program 1 times [2023-11-19 05:21:49,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:49,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179345138] [2023-11-19 05:21:49,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:49,638 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 05:21:49,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:49,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:49,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:50,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:21:50,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-19 05:21:50,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:21:50,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:50,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179345138] [2023-11-19 05:21:50,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179345138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:50,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:50,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:21:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425188984] [2023-11-19 05:21:50,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:50,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:21:50,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:21:50,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:21:50,440 INFO L87 Difference]: Start difference. First operand has 76 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:21:50,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:50,487 INFO L93 Difference]: Finished difference Result 145 states and 247 transitions. [2023-11-19 05:21:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:21:50,490 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 135 [2023-11-19 05:21:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:50,498 INFO L225 Difference]: With dead ends: 145 [2023-11-19 05:21:50,499 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 05:21:50,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 05:21:50,507 INFO L413 NwaCegarLoop]: 109 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, 109 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 05:21:50,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:21:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 05:21:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 05:21:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 51 states have (on average 1.392156862745098) internal successors, (71), 51 states have internal predecessors, (71), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:21:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2023-11-19 05:21:50,558 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 135 [2023-11-19 05:21:50,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:50,559 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2023-11-19 05:21:50,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:21:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2023-11-19 05:21:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 05:21:50,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:50,564 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:50,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:21:50,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:50,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:50,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:50,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1915094520, now seen corresponding path program 1 times [2023-11-19 05:21:50,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:50,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295862605] [2023-11-19 05:21:50,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:50,783 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 05:21:50,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:50,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:50,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:51,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:21:51,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:21:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 05:21:52,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:21:52,110 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:21:52,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295862605] [2023-11-19 05:21:52,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295862605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:52,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:52,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:21:52,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126566592] [2023-11-19 05:21:52,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:52,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:21:52,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:21:52,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:21:52,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:52,115 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 05:21:58,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:21:59,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:59,409 INFO L93 Difference]: Finished difference Result 209 states and 319 transitions. [2023-11-19 05:21:59,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:21:59,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-11-19 05:21:59,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:59,424 INFO L225 Difference]: With dead ends: 209 [2023-11-19 05:21:59,424 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 05:21:59,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 05:21:59,427 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 41 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:21:59,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 192 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-19 05:21:59,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 05:21:59,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2023-11-19 05:21:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 05:21:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 207 transitions. [2023-11-19 05:21:59,458 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 207 transitions. Word has length 135 [2023-11-19 05:21:59,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:59,459 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 207 transitions. [2023-11-19 05:21:59,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 05:21:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2023-11-19 05:21:59,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:21:59,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:59,463 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:59,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:59,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:59,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:59,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:59,682 INFO L85 PathProgramCache]: Analyzing trace with hash 575092377, now seen corresponding path program 1 times [2023-11-19 05:21:59,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:21:59,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380519727] [2023-11-19 05:21:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:59,684 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 05:21:59,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:21:59,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:21:59,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:22:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:00,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:22:00,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 168 proven. 90 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-11-19 05:22:01,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 05:22:02,411 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:02,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380519727] [2023-11-19 05:22:02,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380519727] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:02,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1184573328] [2023-11-19 05:22:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:02,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:22:02,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:22:02,416 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:22:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:22:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:03,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:22:03,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 05:22:03,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:03,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1184573328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:03,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:22:03,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 12 [2023-11-19 05:22:03,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85980461] [2023-11-19 05:22:03,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:03,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:22:03,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:03,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:22:03,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:22:03,164 INFO L87 Difference]: Start difference. First operand 137 states and 207 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 05:22:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:06,302 INFO L93 Difference]: Finished difference Result 507 states and 752 transitions. [2023-11-19 05:22:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:22:06,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 136 [2023-11-19 05:22:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:06,320 INFO L225 Difference]: With dead ends: 507 [2023-11-19 05:22:06,320 INFO L226 Difference]: Without dead ends: 373 [2023-11-19 05:22:06,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 393 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:22:06,323 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 188 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:06,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 456 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 05:22:06,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-11-19 05:22:06,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 204. [2023-11-19 05:22:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 159 states have internal predecessors, (210), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-19 05:22:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 294 transitions. [2023-11-19 05:22:06,391 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 294 transitions. Word has length 136 [2023-11-19 05:22:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:06,393 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 294 transitions. [2023-11-19 05:22:06,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 05:22:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 294 transitions. [2023-11-19 05:22:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 05:22:06,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:06,402 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:06,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:06,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 05:22:06,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:22:06,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:06,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:06,817 INFO L85 PathProgramCache]: Analyzing trace with hash -125972201, now seen corresponding path program 1 times [2023-11-19 05:22:06,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:06,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614081185] [2023-11-19 05:22:06,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:06,818 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 05:22:06,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:06,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 05:22:06,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02311a8c-e58a-4e64-84fe-7f4436229524/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 (6)] Waiting until timeout for monitored process [2023-11-19 05:22:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:07,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 05:22:07,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 168 proven. 90 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-11-19 05:22:13,759 INFO L327 TraceCheckSpWp]: Computing backward predicates...