./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX --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 00dccbc1f84e1a10e96e4bb25c4226d582aabc584f46ae4ceb048818681b4533 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:39,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:39,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:08:39,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:39,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:39,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:39,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:39,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:39,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:39,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:39,946 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:39,946 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:39,947 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:39,948 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:39,948 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:39,949 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:39,949 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:39,950 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:39,951 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:39,951 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:39,952 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:39,953 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:39,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:39,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:39,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:39,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:39,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:39,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:39,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:39,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:39,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:39,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:39,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:39,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:39,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:39,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:39,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:39,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:39,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:39,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:39,963 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:39,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:39,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:39,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:39,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:39,965 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_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00dccbc1f84e1a10e96e4bb25c4226d582aabc584f46ae4ceb048818681b4533 [2023-11-12 00:08:40,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:40,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:40,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:40,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:40,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:40,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i [2023-11-12 00:08:43,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:43,710 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:43,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i [2023-11-12 00:08:43,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data/5eb5267c0/052a2ab0ea774896b92fc7d15c094fcf/FLAGabb88ddea [2023-11-12 00:08:43,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data/5eb5267c0/052a2ab0ea774896b92fc7d15c094fcf [2023-11-12 00:08:43,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:43,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:43,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:43,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:43,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:43,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:43" (1/1) ... [2023-11-12 00:08:43,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562009a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:43, skipping insertion in model container [2023-11-12 00:08:43,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:43" (1/1) ... [2023-11-12 00:08:43,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:44,038 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_d2415144-c5e5-4910-939d-58840198cc03/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i[918,931] [2023-11-12 00:08:44,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:44,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:44,135 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_d2415144-c5e5-4910-939d-58840198cc03/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i[918,931] [2023-11-12 00:08:44,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:44,206 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:44,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44 WrapperNode [2023-11-12 00:08:44,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:44,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:44,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:44,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:44,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,270 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 00:08:44,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:44,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:44,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:44,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:44,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:44,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:44,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:44,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:44,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (1/1) ... [2023-11-12 00:08:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:44,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:44,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:44,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:44,494 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:44,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:45,045 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:45,414 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:45,414 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:08:45,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:45 BoogieIcfgContainer [2023-11-12 00:08:45,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:45,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:45,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:45,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:45,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:43" (1/3) ... [2023-11-12 00:08:45,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1027ac92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:45, skipping insertion in model container [2023-11-12 00:08:45,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:44" (2/3) ... [2023-11-12 00:08:45,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1027ac92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:45, skipping insertion in model container [2023-11-12 00:08:45,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:45" (3/3) ... [2023-11-12 00:08:45,429 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i [2023-11-12 00:08:45,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:45,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:08:45,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:45,512 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;@69895aea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:45,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:08:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:08:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-12 00:08:45,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:45,529 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:08:45,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:08:45,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:45,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1989878872, now seen corresponding path program 1 times [2023-11-12 00:08:45,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:45,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512563442] [2023-11-12 00:08:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:45,729 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:08:45,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228374124] [2023-11-12 00:08:45,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:45,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:08:45,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:45,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:08:45,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:08:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:46,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:08:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:08:46,722 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:08:46,727 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:08:46,728 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:08:46,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:08:46,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:08:46,942 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:08:46,945 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:08:47,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:47 BoogieIcfgContainer [2023-11-12 00:08:47,049 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:47,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:47,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:47,050 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:47,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:45" (3/4) ... [2023-11-12 00:08:47,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:08:47,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:47,055 INFO L158 Benchmark]: Toolchain (without parser) took 3296.43ms. Allocated memory is still 180.4MB. Free memory was 135.8MB in the beginning and 132.4MB in the end (delta: 3.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-12 00:08:47,056 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:47,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.21ms. Allocated memory is still 180.4MB. Free memory was 135.2MB in the beginning and 120.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:08:47,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.75ms. Allocated memory is still 180.4MB. Free memory was 120.5MB in the beginning and 117.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:47,058 INFO L158 Benchmark]: Boogie Preprocessor took 46.65ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:47,058 INFO L158 Benchmark]: RCFGBuilder took 1094.92ms. Allocated memory is still 180.4MB. Free memory was 115.2MB in the beginning and 94.0MB in the end (delta: 21.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-12 00:08:47,061 INFO L158 Benchmark]: TraceAbstraction took 1628.54ms. Allocated memory is still 180.4MB. Free memory was 94.0MB in the beginning and 132.4MB in the end (delta: -38.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:47,064 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 180.4MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:47,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.21ms. Allocated memory is still 180.4MB. Free memory was 135.2MB in the beginning and 120.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.75ms. Allocated memory is still 180.4MB. Free memory was 120.5MB in the beginning and 117.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.65ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1094.92ms. Allocated memory is still 180.4MB. Free memory was 115.2MB in the beginning and 94.0MB in the end (delta: 21.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1628.54ms. Allocated memory is still 180.4MB. Free memory was 94.0MB in the beginning and 132.4MB in the end (delta: -38.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 180.4MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 96, overapproximation of bitwiseAnd at line 102, overapproximation of someUnaryDOUBLEoperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] float var_1_4 = 9999999.8; [L24] float var_1_5 = 8.6; [L25] unsigned long int var_1_6 = 10000; [L26] double var_1_8 = 64.5; [L27] float var_1_10 = 255.25; [L28] float var_1_11 = 7.5; [L29] float var_1_12 = 0.0; [L30] float var_1_13 = 64.8; [L31] double var_1_14 = 127.75; [L32] signed char var_1_15 = 8; [L33] signed char var_1_16 = 32; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] double var_1_19 = 2.25; [L37] unsigned char var_1_20 = 0; [L38] unsigned short int var_1_21 = 256; [L39] float var_1_22 = 256.5; [L40] signed char var_1_27 = -64; [L41] signed char var_1_30 = -10; [L42] unsigned long int var_1_31 = 8; [L43] double var_1_32 = 499.75; [L44] double var_1_36 = 3.15; [L45] unsigned char var_1_38 = 8; [L46] float var_1_40 = 255.8; [L47] signed short int var_1_41 = 256; [L48] signed char var_1_42 = -32; [L49] unsigned long int last_1_var_1_6 = 10000; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L166] last_1_var_1_6 = var_1_6 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_4 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L135] var_1_5 = __VERIFIER_nondet_float() [L136] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L137] var_1_8 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L139] var_1_11 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L141] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L142] var_1_12 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L144] var_1_13 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L146] var_1_15 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L148] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L149] var_1_16 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L151] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L152] var_1_18 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L154] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-10, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L155] var_1_30 = __VERIFIER_nondet_char() [L156] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L157] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=63/20, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L158] var_1_36 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 2305843.009213691390e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 2305843.009213691390e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=-32, var_1_5=2, var_1_6=10000, var_1_8=3] [L160] var_1_42 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_42 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=2, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_42 >= -128) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=2, var_1_5=2, var_1_6=10000, var_1_8=3] [L162] CALL assume_abort_if_not(var_1_42 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=2, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_42 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=2, var_1_5=2, var_1_6=10000, var_1_8=3] [L163] CALL assume_abort_if_not(var_1_42 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=2, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_42 != 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_22=513/2, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=1999/4, var_1_36=7, var_1_38=8, var_1_40=1279/5, var_1_41=256, var_1_42=2, var_1_5=2, var_1_6=10000, var_1_8=3] [L177] RET updateVariables() [L178] CALL step() [L53] COND TRUE (var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6 [L54] var_1_14 = var_1_12 [L56] COND FALSE !((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) [L59] var_1_10 = 4.2f [L61] var_1_20 = var_1_16 [L62] var_1_21 = var_1_16 [L63] COND TRUE var_1_21 <= (var_1_16 * var_1_20) [L64] COND TRUE (var_1_5 + var_1_14) <= 127.025f [L65] var_1_17 = var_1_18 [L72] unsigned char stepLocal_0 = var_1_20 != var_1_20; [L73] COND FALSE !(\read(var_1_17)) [L84] var_1_6 = var_1_20 [L86] COND TRUE var_1_6 <= var_1_6 [L87] COND FALSE !(var_1_6 > var_1_6) [L90] var_1_1 = var_1_5 [L95] COND FALSE !(var_1_1 < var_1_11) [L98] COND TRUE var_1_6 >= var_1_16 [L99] var_1_22 = (var_1_13 + var_1_13) [L101] COND FALSE !(((var_1_4 + 127.75f) * var_1_13) < var_1_13) [L106] COND FALSE !(var_1_20 < (~ var_1_30)) [L111] COND TRUE var_1_13 == var_1_13 [L112] COND TRUE var_1_13 >= var_1_13 [L113] COND TRUE ! var_1_18 [L114] var_1_32 = (var_1_12 - ((((var_1_12) > (var_1_36)) ? (var_1_12) : (var_1_36)))) [L120] COND TRUE ! (var_1_4 <= var_1_36) [L121] var_1_38 = var_1_16 [L123] EXPR (var_1_16 >> 4) & var_1_16 [L123] COND TRUE 128 != ((var_1_16 >> 4) & var_1_16) [L124] var_1_40 = ((((var_1_36) > (var_1_4)) ? (var_1_36) : (var_1_4))) [L126] COND FALSE !((var_1_16 / var_1_42) < var_1_20) [L129] var_1_41 = -256 [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return ((((((((var_1_6 <= var_1_6) ? ((var_1_6 > var_1_6) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_17 ? ((((((var_1_14) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_14) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_20 != var_1_20) || var_1_17) ? (var_1_6 == ((unsigned long int) var_1_20)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_20))) : (var_1_6 == ((unsigned long int) var_1_20)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_21 <= (var_1_16 * var_1_20)) ? (((var_1_5 + var_1_14) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_1 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=8, var_1_36=7, var_1_38=0, var_1_40=7, var_1_41=-256, var_1_42=2, var_1_4=0, var_1_5=2, var_1_6=0, var_1_8=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=0, var_1_21=0, var_1_22=0, var_1_27=-64, var_1_30=-1, var_1_31=8, var_1_32=8, var_1_36=7, var_1_38=0, var_1_40=7, var_1_41=-256, var_1_42=2, var_1_4=0, var_1_5=2, var_1_6=0, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 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 [2023-11-12 00:08:47,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX --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 00dccbc1f84e1a10e96e4bb25c4226d582aabc584f46ae4ceb048818681b4533 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:49,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:49,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:08:50,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:50,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:50,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:50,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:50,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:50,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:50,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:50,060 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:50,061 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:50,061 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:50,063 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:50,063 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:50,064 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:50,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:50,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:50,066 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:50,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:50,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:50,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:50,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:50,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:50,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:08:50,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:08:50,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:08:50,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:50,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:50,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:50,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:50,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:08:50,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:50,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:50,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:50,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:50,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:50,073 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:08:50,073 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:08:50,074 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:50,075 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:50,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:50,075 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_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00dccbc1f84e1a10e96e4bb25c4226d582aabc584f46ae4ceb048818681b4533 [2023-11-12 00:08:50,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:50,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:50,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:50,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:50,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:50,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i [2023-11-12 00:08:53,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:53,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:53,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i [2023-11-12 00:08:54,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data/dea995d02/494af4becf6848dc981fbbeae0873efc/FLAG8bfdbb954 [2023-11-12 00:08:54,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/data/dea995d02/494af4becf6848dc981fbbeae0873efc [2023-11-12 00:08:54,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:54,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:54,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:54,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:54,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41238f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54, skipping insertion in model container [2023-11-12 00:08:54,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:54,271 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_d2415144-c5e5-4910-939d-58840198cc03/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i[918,931] [2023-11-12 00:08:54,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:54,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:54,422 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_d2415144-c5e5-4910-939d-58840198cc03/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i[918,931] [2023-11-12 00:08:54,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:54,510 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:54,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54 WrapperNode [2023-11-12 00:08:54,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:54,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:54,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:54,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:54,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,570 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-11-12 00:08:54,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:54,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:54,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:54,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:54,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:54,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:54,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:54,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:54,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (1/1) ... [2023-11-12 00:08:54,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:54,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:54,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:08:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:08:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:08:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:54,841 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:54,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:09,279 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:09,285 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:09,286 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:09:09,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:09 BoogieIcfgContainer [2023-11-12 00:09:09,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:09,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:09,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:09,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:09,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:54" (1/3) ... [2023-11-12 00:09:09,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451e0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:09, skipping insertion in model container [2023-11-12 00:09:09,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:54" (2/3) ... [2023-11-12 00:09:09,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451e0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:09, skipping insertion in model container [2023-11-12 00:09:09,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:09" (3/3) ... [2023-11-12 00:09:09,297 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-2.i [2023-11-12 00:09:09,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:09,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:09,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:09,374 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;@190cc1e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:09,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-12 00:09:09,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:09,395 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:09,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:09,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1931594455, now seen corresponding path program 1 times [2023-11-12 00:09:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:09,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929666836] [2023-11-12 00:09:09,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:09,417 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 [2023-11-12 00:09:09,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:09,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:09,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:10,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:09:10,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-12 00:09:10,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:10,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:10,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929666836] [2023-11-12 00:09:10,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929666836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:10,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:10,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:09:10,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171078816] [2023-11-12 00:09:10,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:10,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:09:10,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:09:10,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:10,788 INFO L87 Difference]: Start difference. First operand has 73 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:09:10,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:10,822 INFO L93 Difference]: Finished difference Result 139 states and 243 transitions. [2023-11-12 00:09:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:09:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2023-11-12 00:09:10,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:10,833 INFO L225 Difference]: With dead ends: 139 [2023-11-12 00:09:10,833 INFO L226 Difference]: Without dead ends: 69 [2023-11-12 00:09:10,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:09:10,840 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:10,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-12 00:09:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-12 00:09:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 00:09:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-12 00:09:10,913 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 131 [2023-11-12 00:09:10,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:10,914 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-12 00:09:10,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 00:09:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-12 00:09:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-12 00:09:10,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:10,927 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:10,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:11,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:11,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:11,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:11,141 INFO L85 PathProgramCache]: Analyzing trace with hash -662445088, now seen corresponding path program 1 times [2023-11-12 00:09:11,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:09:11,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522586741] [2023-11-12 00:09:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:11,142 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 [2023-11-12 00:09:11,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:09:11,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:09:11,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:09:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:12,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:09:12,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 27 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-12 00:09:12,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-12 00:09:13,840 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:09:13,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522586741] [2023-11-12 00:09:13,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522586741] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [989979882] [2023-11-12 00:09:13,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:13,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:09:13,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:09:13,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:09:13,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:09:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:16,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:16,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 318 proven. 36 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-12 00:09:19,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-12 00:09:19,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [989979882] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:19,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816015085] [2023-11-12 00:09:19,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:19,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:19,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2415144-c5e5-4910-939d-58840198cc03/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:09:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:20,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:09:20,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 318 proven. 36 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2023-11-12 00:09:22,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-12 00:09:23,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816015085] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:23,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:09:23,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 5, 5] total 13 [2023-11-12 00:09:23,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930712695] [2023-11-12 00:09:23,281 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:23,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:09:23,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:09:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:09:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:09:23,291 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2023-11-12 00:09:27,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:09:29,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:09:31,741 WARN L539 Checker$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 [0] [2023-11-12 00:09:33,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:09:35,748 WARN L539 Checker$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 [0] [2023-11-12 00:09:37,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:09:38,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 00:09:40,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]