./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire --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 a3cca5fe1c4a9c3c279c334386b8da0cee2c5ffb5715bbf5bb62146dfa62dbb5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:12,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:12,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:12,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:12,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:12,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:12,229 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:12,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:12,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:12,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:12,236 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:12,237 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:12,237 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:12,239 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:12,239 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:12,240 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:12,240 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:12,241 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:12,241 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:12,242 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:12,242 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:12,243 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:12,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:12,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:12,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:12,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:12,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:12,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:12,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:12,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:12,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:12,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:12,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:12,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:12,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:12,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:12,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:12,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:12,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:12,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:12,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:12,250 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:12,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:12,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:12,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:12,252 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:12,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:12,252 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_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cca5fe1c4a9c3c279c334386b8da0cee2c5ffb5715bbf5bb62146dfa62dbb5 [2023-11-23 20:32:12,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:12,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:12,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:12,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:12,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:12,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-11-23 20:32:15,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:15,970 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:15,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-11-23 20:32:15,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data/915304c68/49437f2d91354988bc38601b779c08fb/FLAG6fa9e385c [2023-11-23 20:32:16,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data/915304c68/49437f2d91354988bc38601b779c08fb [2023-11-23 20:32:16,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:16,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:16,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:16,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:16,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:16,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b05f539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16, skipping insertion in model container [2023-11-23 20:32:16,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,052 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:16,215 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_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i[918,931] [2023-11-23 20:32:16,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:16,327 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:16,341 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_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i[918,931] [2023-11-23 20:32:16,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:16,404 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:16,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16 WrapperNode [2023-11-23 20:32:16,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:16,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:16,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:16,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:16,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,504 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2023-11-23 20:32:16,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:16,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:16,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:16,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:16,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:16,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:16,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:16,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:16,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (1/1) ... [2023-11-23 20:32:16,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:16,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:16,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:16,788 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:16,790 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:17,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:18,119 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:18,119 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:18,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:18 BoogieIcfgContainer [2023-11-23 20:32:18,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:18,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:18,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:18,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:18,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:16" (1/3) ... [2023-11-23 20:32:18,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b22343c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:18, skipping insertion in model container [2023-11-23 20:32:18,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:16" (2/3) ... [2023-11-23 20:32:18,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b22343c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:18, skipping insertion in model container [2023-11-23 20:32:18,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:18" (3/3) ... [2023-11-23 20:32:18,134 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-11-23 20:32:18,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:18,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:18,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:18,232 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;@59aa780a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:18,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 20:32:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:32:18,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:18,251 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:18,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:18,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:18,259 INFO L85 PathProgramCache]: Analyzing trace with hash -170035117, now seen corresponding path program 1 times [2023-11-23 20:32:18,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:18,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191983218] [2023-11-23 20:32:18,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:18,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:18,515 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:32:18,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17592739] [2023-11-23 20:32:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:18,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:18,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:18,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:18,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:32:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:18,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:19,280 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:19,282 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:19,283 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:19,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:19,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:32:19,501 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:32:19,505 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:19,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:19 BoogieIcfgContainer [2023-11-23 20:32:19,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:19,627 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:19,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:19,627 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:19,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:18" (3/4) ... [2023-11-23 20:32:19,630 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:19,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:19,633 INFO L158 Benchmark]: Toolchain (without parser) took 3625.78ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 103.9MB in the beginning and 142.5MB in the end (delta: -38.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-23 20:32:19,634 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:19,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.02ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 88.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:32:19,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.17ms. Allocated memory is still 148.9MB. Free memory was 88.4MB in the beginning and 83.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:19,643 INFO L158 Benchmark]: Boogie Preprocessor took 52.98ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 81.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:19,645 INFO L158 Benchmark]: RCFGBuilder took 1562.79ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 81.0MB in the beginning and 89.9MB in the end (delta: -9.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-23 20:32:19,646 INFO L158 Benchmark]: TraceAbstraction took 1502.39ms. Allocated memory is still 209.7MB. Free memory was 89.9MB in the beginning and 143.6MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:19,647 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 209.7MB. Free memory was 143.6MB in the beginning and 142.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:19,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.02ms. Allocated memory is still 148.9MB. Free memory was 103.5MB in the beginning and 88.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.17ms. Allocated memory is still 148.9MB. Free memory was 88.4MB in the beginning and 83.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.98ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 81.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1562.79ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 81.0MB in the beginning and 89.9MB in the end (delta: -9.0MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1502.39ms. Allocated memory is still 209.7MB. Free memory was 89.9MB in the beginning and 143.6MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 209.7MB. Free memory was 143.6MB in the beginning and 142.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 94, overapproximation of shiftRight at line 97, overapproximation of bitwiseAnd at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] signed short int var_1_28 = 256; [L39] signed long int var_1_30 = -4; [L40] double var_1_32 = 0.0; [L41] unsigned short int var_1_34 = 34858; [L42] unsigned short int var_1_35 = 41225; [L43] double var_1_37 = 63.63; [L44] signed char var_1_39 = 10; [L45] signed char var_1_40 = -25; [L46] signed char var_1_41 = 4; [L47] unsigned char var_1_42 = 50; [L48] unsigned long int last_1_var_1_10 = 256; [L49] unsigned char last_1_var_1_20 = 32; [L179] isInitial = 1 [L180] FCALL initially() [L181] COND TRUE 1 [L182] CALL updateLastVariables() [L171] last_1_var_1_10 = var_1_10 [L172] last_1_var_1_20 = var_1_20 [L182] RET updateLastVariables() [L183] CALL updateVariables() [L134] var_1_3 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L137] var_1_5 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L139] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L140] var_1_13 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L142] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L143] var_1_14 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L146] var_1_15 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L149] var_1_16 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L151] var_1_21 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L154] var_1_22 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L156] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L157] var_1_34 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L159] CALL assume_abort_if_not(var_1_34 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_34 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L160] var_1_35 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_35 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_35 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L162] CALL assume_abort_if_not(var_1_35 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_35 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L163] var_1_40 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_40 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_40 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L165] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=4, var_1_42=50, var_1_5=17, var_1_6=256] [L166] var_1_41 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_41 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=-63, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_41 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=-63, var_1_42=50, var_1_5=17, var_1_6=256] [L168] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=-63, var_1_42=50, var_1_5=17, var_1_6=256] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=0, var_1_14=49, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-63, var_1_41=-63, var_1_42=50, var_1_5=17, var_1_6=256] [L183] RET updateVariables() [L184] CALL step() [L53] COND FALSE !(\read(var_1_3)) [L58] COND FALSE !(var_1_20 > var_1_21) [L71] signed long int stepLocal_2 = var_1_5 * var_1_13; [L72] COND FALSE !(stepLocal_2 > last_1_var_1_10) [L75] var_1_28 = var_1_5 [L76] COND TRUE (((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20 [L77] COND FALSE !(\read(var_1_3)) [L81] COND FALSE !(var_1_14 >= ((((var_1_20) > (var_1_6)) ? (var_1_20) : (var_1_6)))) [L84] var_1_24 = (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) [L86] unsigned char stepLocal_1 = var_1_17 <= var_1_17; [L87] COND FALSE !(stepLocal_1 || var_1_3) [L92] var_1_12 = var_1_16 [L94] EXPR var_1_14 ^ var_1_21 [L94] COND TRUE ((var_1_14 ^ var_1_21) % var_1_21) > -10 [L95] var_1_30 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) [L97] EXPR var_1_35 & var_1_20 [L97] EXPR (var_1_35 & var_1_20) >> var_1_14 [L97] COND TRUE var_1_14 >= ((var_1_35 & var_1_20) >> var_1_14) [L98] var_1_37 = ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) [L100] COND FALSE !(99999.8f < var_1_17) [L111] COND TRUE (var_1_17 + var_1_12) <= var_1_17 [L112] COND TRUE var_1_6 >= var_1_6 [L113] var_1_23 = var_1_20 [L116] EXPR var_1_6 ^ var_1_20 [L116] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L117] COND TRUE var_1_20 <= stepLocal_0 [L118] COND FALSE !(var_1_12 == var_1_12) [L122] EXPR ((((var_1_5) > (-16)) ? (var_1_5) : (-16))) & 16 [L122] COND FALSE !((~ var_1_23) <= (((((var_1_5) > (-16)) ? (var_1_5) : (-16))) & 16)) [L125] COND TRUE var_1_10 <= (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) [L126] var_1_32 = var_1_16 [L131] var_1_39 = (var_1_40 + ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41)))) [L184] RET step() [L185] CALL, EXPR property() [L175] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L175-L176] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L185] RET, EXPR property() [L185] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=0, var_1_14=49, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=32, var_1_24=305, var_1_28=17, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-63, var_1_41=-63, var_1_42=50, var_1_5=17, var_1_6=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=0, var_1_14=49, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=184, var_1_22=127, var_1_23=32, var_1_24=305, var_1_28=17, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-63, var_1_41=-63, var_1_42=50, var_1_5=17, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 23, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 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 [2023-11-23 20:32:19,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire --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 a3cca5fe1c4a9c3c279c334386b8da0cee2c5ffb5715bbf5bb62146dfa62dbb5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:22,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:22,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:32:22,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:22,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:22,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:22,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:22,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:22,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:22,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:22,648 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:22,649 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:22,649 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:22,651 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:22,652 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:22,652 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:22,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:22,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:22,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:22,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:22,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:22,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:22,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:22,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:22,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:22,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:22,660 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:22,660 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:22,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:22,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:22,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:22,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:22,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:22,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:22,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:22,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:22,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:22,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:22,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:22,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:22,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:22,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:22,667 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:22,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:22,668 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_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3cca5fe1c4a9c3c279c334386b8da0cee2c5ffb5715bbf5bb62146dfa62dbb5 [2023-11-23 20:32:23,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:23,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:23,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:23,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:23,078 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:23,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-11-23 20:32:26,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:26,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:26,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-11-23 20:32:26,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data/908afdb8f/e3783333fefd41ae98fd576b1a9d0d61/FLAGa7c076d4a [2023-11-23 20:32:26,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/data/908afdb8f/e3783333fefd41ae98fd576b1a9d0d61 [2023-11-23 20:32:26,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:26,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:26,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:26,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:26,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:26,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:26,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2565a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26, skipping insertion in model container [2023-11-23 20:32:26,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:26,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:26,748 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_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i[918,931] [2023-11-23 20:32:26,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:26,864 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:26,880 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_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i[918,931] [2023-11-23 20:32:26,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:26,998 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:26,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26 WrapperNode [2023-11-23 20:32:26,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:27,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:27,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:27,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:27,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,096 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-23 20:32:27,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:27,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:27,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:27,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:27,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:27,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:27,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:27,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:27,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (1/1) ... [2023-11-23 20:32:27,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:27,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:27,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:27,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:32:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:27,466 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:27,471 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:38,333 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:38,462 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:38,471 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:38,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:38 BoogieIcfgContainer [2023-11-23 20:32:38,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:38,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:38,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:38,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:38,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:26" (1/3) ... [2023-11-23 20:32:38,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:38, skipping insertion in model container [2023-11-23 20:32:38,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:26" (2/3) ... [2023-11-23 20:32:38,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:38, skipping insertion in model container [2023-11-23 20:32:38,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:38" (3/3) ... [2023-11-23 20:32:38,481 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-11-23 20:32:38,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:38,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:38,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:38,558 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;@32f79a3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:38,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 50 states have (on average 1.58) internal successors, (79), 51 states have internal predecessors, (79), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 20:32:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:32:38,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:38,580 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:38,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:38,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash 784512410, now seen corresponding path program 1 times [2023-11-23 20:32:38,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:38,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106454188] [2023-11-23 20:32:38,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:38,599 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 [2023-11-23 20:32:38,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:38,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:38,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:39,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:32:39,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 20:32:39,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:39,923 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:39,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106454188] [2023-11-23 20:32:39,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106454188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:39,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:39,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:39,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028363192] [2023-11-23 20:32:39,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:39,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:32:39,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:39,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:32:39,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:39,965 INFO L87 Difference]: Start difference. First operand has 76 states, 50 states have (on average 1.58) internal successors, (79), 51 states have internal predecessors, (79), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 20:32:42,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:42,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:42,316 INFO L93 Difference]: Finished difference Result 149 states and 271 transitions. [2023-11-23 20:32:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:32:42,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2023-11-23 20:32:42,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:42,424 INFO L225 Difference]: With dead ends: 149 [2023-11-23 20:32:42,425 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 20:32:42,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:42,432 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:42,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 20:32:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 20:32:42,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-23 20:32:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.489795918367347) internal successors, (73), 49 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 20:32:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 119 transitions. [2023-11-23 20:32:42,482 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 119 transitions. Word has length 148 [2023-11-23 20:32:42,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:42,483 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 119 transitions. [2023-11-23 20:32:42,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 20:32:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 119 transitions. [2023-11-23 20:32:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 20:32:42,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:42,489 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:42,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:42,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:42,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:42,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:42,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1173682396, now seen corresponding path program 1 times [2023-11-23 20:32:42,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:42,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646782141] [2023-11-23 20:32:42,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:42,695 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 [2023-11-23 20:32:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:42,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:42,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:44,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:32:44,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 418 proven. 48 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2023-11-23 20:32:49,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:50,604 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:50,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646782141] [2023-11-23 20:32:50,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646782141] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:32:50,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1249214672] [2023-11-23 20:32:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:50,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:50,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:32:50,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:32:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:32:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:53,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:32:53,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 20:32:59,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:59,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1249214672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:59,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:32:59,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-23 20:32:59,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772825811] [2023-11-23 20:32:59,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:59,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:32:59,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:59,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:32:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:32:59,500 INFO L87 Difference]: Start difference. First operand 74 states and 119 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 20:33:02,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:04,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:06,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:08,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:10,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:10,610 INFO L93 Difference]: Finished difference Result 220 states and 355 transitions. [2023-11-23 20:33:10,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:33:10,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2023-11-23 20:33:10,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:10,616 INFO L225 Difference]: With dead ends: 220 [2023-11-23 20:33:10,616 INFO L226 Difference]: Without dead ends: 147 [2023-11-23 20:33:10,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:33:10,619 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 45 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:10,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 332 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 11.0s Time] [2023-11-23 20:33:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-23 20:33:10,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2023-11-23 20:33:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 95 states have internal predecessors, (140), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 20:33:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 232 transitions. [2023-11-23 20:33:10,658 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 232 transitions. Word has length 148 [2023-11-23 20:33:10,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:10,660 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 232 transitions. [2023-11-23 20:33:10,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 20:33:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2023-11-23 20:33:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 20:33:10,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:10,664 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:10,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:10,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:11,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:11,066 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:11,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:11,067 INFO L85 PathProgramCache]: Analyzing trace with hash -784395011, now seen corresponding path program 1 times [2023-11-23 20:33:11,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:11,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4025224] [2023-11-23 20:33:11,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:11,068 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 [2023-11-23 20:33:11,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:11,070 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:33:11,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b58ad8e-00d9-4dc7-b1d2-0cbf1c0e235f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process