./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c096c5b3e37732c880e99f350f4cb2d9214c8eea1247da7d7d353fb9735c198c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:41,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:41,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:41,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:41,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:41,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:41,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:41,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:41,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:41,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:41,255 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:41,256 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:41,257 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:41,259 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:41,259 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:41,260 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:41,260 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:41,261 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:41,261 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:41,262 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:41,262 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:41,263 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:41,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:41,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:41,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:41,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:41,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:41,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:41,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:41,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:41,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:41,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:41,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:41,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:41,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:41,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:41,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:41,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:41,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:41,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:41,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:41,273 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:41,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:41,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:41,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:41,275 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:41,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:41,275 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c096c5b3e37732c880e99f350f4cb2d9214c8eea1247da7d7d353fb9735c198c [2023-11-23 20:32:41,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:41,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:41,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:41,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:41,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:41,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i [2023-11-23 20:32:44,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:45,024 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:45,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i [2023-11-23 20:32:45,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data/18563b9b7/5de815dfcc4c4d6f8171f6a4e72384eb/FLAGa15ab8450 [2023-11-23 20:32:45,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data/18563b9b7/5de815dfcc4c4d6f8171f6a4e72384eb [2023-11-23 20:32:45,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:45,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:45,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:45,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:45,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:45,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1250e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45, skipping insertion in model container [2023-11-23 20:32:45,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:45,281 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i[916,929] [2023-11-23 20:32:45,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:45,379 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:45,393 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i[916,929] [2023-11-23 20:32:45,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:45,462 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:45,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45 WrapperNode [2023-11-23 20:32:45,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:45,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:45,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:45,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:45,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,547 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-23 20:32:45,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:45,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:45,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:45,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:45,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:45,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:45,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:45,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:45,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (1/1) ... [2023-11-23 20:32:45,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:45,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:45,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:45,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:45,854 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:45,856 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:46,330 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:46,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:46,746 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:46,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:46 BoogieIcfgContainer [2023-11-23 20:32:46,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:46,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:46,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:46,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:46,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:45" (1/3) ... [2023-11-23 20:32:46,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c302e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:46, skipping insertion in model container [2023-11-23 20:32:46,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:45" (2/3) ... [2023-11-23 20:32:46,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c302e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:46, skipping insertion in model container [2023-11-23 20:32:46,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:46" (3/3) ... [2023-11-23 20:32:46,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-34.i [2023-11-23 20:32:46,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:46,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:46,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:46,860 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;@1421c707, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:46,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:32:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:32:46,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:46,880 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:46,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:46,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash -212047484, now seen corresponding path program 1 times [2023-11-23 20:32:46,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:46,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110217447] [2023-11-23 20:32:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:46,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:47,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:47,895 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:47,897 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:47,898 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:47,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:32:47,905 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:32:47,909 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:48,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:48 BoogieIcfgContainer [2023-11-23 20:32:48,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:48,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:48,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:48,052 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:48,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:46" (3/4) ... [2023-11-23 20:32:48,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:48,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:48,058 INFO L158 Benchmark]: Toolchain (without parser) took 3003.65ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 111.2MB in the beginning and 90.4MB in the end (delta: 20.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-11-23 20:32:48,059 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:48,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.05ms. Allocated memory is still 159.4MB. Free memory was 111.0MB in the beginning and 95.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:32:48,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.61ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 91.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:48,063 INFO L158 Benchmark]: Boogie Preprocessor took 71.75ms. Allocated memory is still 159.4MB. Free memory was 91.7MB in the beginning and 89.5MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:48,068 INFO L158 Benchmark]: RCFGBuilder took 1127.14ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 89.4MB in the beginning and 156.5MB in the end (delta: -67.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:48,070 INFO L158 Benchmark]: TraceAbstraction took 1298.95ms. Allocated memory is still 209.7MB. Free memory was 155.4MB in the beginning and 90.4MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-23 20:32:48,070 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 209.7MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:48,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.05ms. Allocated memory is still 159.4MB. Free memory was 111.0MB in the beginning and 95.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.61ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 91.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.75ms. Allocated memory is still 159.4MB. Free memory was 91.7MB in the beginning and 89.5MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.14ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 89.4MB in the beginning and 156.5MB in the end (delta: -67.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1298.95ms. Allocated memory is still 209.7MB. Free memory was 155.4MB in the beginning and 90.4MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 209.7MB. Free memory is still 90.4MB. 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 185, overapproximation of someUnaryDOUBLEoperation at line 76, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 64; [L23] unsigned char var_1_3 = 200; [L24] unsigned char var_1_4 = 16; [L25] unsigned char var_1_5 = 0; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 64.75; [L28] double var_1_9 = 1.625; [L29] double var_1_10 = 0.0; [L30] double var_1_11 = 15.75; [L31] double var_1_12 = 199.6; [L32] double var_1_13 = 31.625; [L33] float var_1_14 = 2.575; [L34] float var_1_15 = 0.0; [L35] double var_1_16 = 64.8; [L36] double var_1_18 = 8.01; [L37] double var_1_19 = 1000000.5; [L38] unsigned char var_1_22 = 1; [L39] unsigned char var_1_23 = 1; [L40] unsigned char var_1_24 = 1; [L41] unsigned char var_1_25 = 0; [L42] double var_1_26 = 49.31; [L43] signed long int var_1_28 = 1; [L44] unsigned char var_1_29 = 1; [L45] unsigned char var_1_30 = 0; [L46] unsigned char var_1_31 = 1; [L47] unsigned short int last_1_var_1_1 = 64; [L48] unsigned char last_1_var_1_22 = 1; [L49] signed long int last_1_var_1_28 = 1; [L50] unsigned char last_1_var_1_29 = 1; [L51] unsigned char last_1_var_1_31 = 1; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_22 = var_1_22 [L180] last_1_var_1_28 = var_1_28 [L181] last_1_var_1_29 = var_1_29 [L182] last_1_var_1_31 = var_1_31 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 191) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L145] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L148] CALL assume_abort_if_not(var_1_4 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 64) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L149] var_1_5 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L151] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L152] var_1_8 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L154] var_1_10 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_10 >= 4611686.018427382800e+12F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_10 >= 4611686.018427382800e+12F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L156] var_1_11 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L158] var_1_12 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_12 >= 0.0F && 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_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_12 >= 0.0F && 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_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L160] var_1_15 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L162] var_1_18 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L164] var_1_23 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L166] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L167] var_1_24 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L169] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L170] var_1_25 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L172] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L173] var_1_30 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L175] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L193] RET updateVariables() [L194] CALL step() [L55] COND TRUE var_1_8 <= (((((- var_1_12)) < ((var_1_11 - 99999.75))) ? ((- var_1_12)) : ((var_1_11 - 99999.75)))) [L56] COND TRUE last_1_var_1_29 && last_1_var_1_31 [L57] var_1_28 = last_1_var_1_1 [L62] signed long int stepLocal_7 = 100; [L63] COND TRUE ! (var_1_10 <= 16.8) [L64] var_1_29 = (var_1_23 && ((var_1_24 || last_1_var_1_22) || var_1_30)) [L74] unsigned char stepLocal_1 = var_1_4; [L75] COND TRUE stepLocal_1 >= var_1_28 [L76] var_1_7 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) [L78] unsigned char stepLocal_4 = var_1_4; [L79] COND TRUE stepLocal_4 <= ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L80] var_1_14 = ((((var_1_12) < ((var_1_10 - (var_1_15 - var_1_11)))) ? (var_1_12) : ((var_1_10 - (var_1_15 - var_1_11))))) [L84] COND TRUE (- var_1_7) == var_1_10 [L85] var_1_16 = (((((var_1_18 - var_1_15)) > (var_1_11)) ? ((var_1_18 - var_1_15)) : (var_1_11))) [L87] var_1_31 = var_1_25 [L88] signed long int stepLocal_0 = var_1_28; [L89] COND TRUE \read(var_1_29) [L90] COND FALSE !(((var_1_3 - var_1_4) - var_1_5) <= stepLocal_0) [L94] unsigned char stepLocal_6 = var_1_31; [L95] COND FALSE !(var_1_31 && stepLocal_6) [L98] var_1_22 = (! (var_1_24 && (! var_1_25))) [L100] COND FALSE !(\read(var_1_22)) [L105] COND FALSE !(var_1_12 == var_1_8) [L108] var_1_9 = var_1_12 [L111] unsigned char stepLocal_3 = var_1_3; [L112] unsigned char stepLocal_2 = var_1_10 != var_1_9; [L113] COND FALSE !(stepLocal_2 && var_1_29) [L124] var_1_13 = var_1_12 [L126] unsigned char stepLocal_5 = var_1_22; [L127] COND FALSE !(\read(var_1_22)) [L134] COND FALSE !(stepLocal_5 || var_1_22) [L138] COND TRUE var_1_23 || (((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5))) < var_1_1) [L139] var_1_26 = 25.5 [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return (((((((((((var_1_29 ? ((((var_1_3 - var_1_4) - var_1_5) <= var_1_28) ? (var_1_1 == ((unsigned short int) var_1_3)) : 1) : 1) && ((var_1_4 >= var_1_28) ? (var_1_7 == ((double) ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) : 1)) && (var_1_22 ? ((var_1_1 >= var_1_5) ? (var_1_9 == ((double) ((((((var_1_10 - var_1_11) - var_1_12)) < (var_1_8)) ? (((var_1_10 - var_1_11) - var_1_12)) : (var_1_8))))) : 1) : ((var_1_12 == var_1_8) ? (var_1_9 == ((double) var_1_11)) : (var_1_9 == ((double) var_1_12))))) && (((var_1_10 != var_1_9) && var_1_29) ? ((var_1_11 >= (127.5 / var_1_10)) ? ((var_1_3 >= var_1_28) ? (var_1_13 == ((double) var_1_10)) : (var_1_13 == ((double) 9.9999999999996E12))) : (var_1_13 == ((double) var_1_11))) : (var_1_13 == ((double) var_1_12)))) && ((var_1_4 <= ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) ? (var_1_14 == ((float) ((((var_1_12) < ((var_1_10 - (var_1_15 - var_1_11)))) ? (var_1_12) : ((var_1_10 - (var_1_15 - var_1_11))))))) : (var_1_14 == ((float) var_1_15)))) && (((- var_1_7) == var_1_10) ? (var_1_16 == ((double) (((((var_1_18 - var_1_15)) > (var_1_11)) ? ((var_1_18 - var_1_15)) : (var_1_11))))) : 1)) && (var_1_22 ? ((var_1_10 >= (var_1_8 * var_1_13)) ? (var_1_19 == ((double) (var_1_18 - (var_1_15 - var_1_11)))) : (var_1_19 == ((double) ((((((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) : ((var_1_22 || var_1_22) ? (var_1_19 == ((double) var_1_12)) : 1))) && ((var_1_31 && var_1_31) ? (var_1_22 == ((unsigned char) ((var_1_29 || var_1_23) && var_1_24))) : (var_1_22 == ((unsigned char) (! (var_1_24 && (! var_1_25))))))) && ((var_1_23 || (((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5))) < var_1_1)) ? (var_1_26 == ((double) 25.5)) : 1)) && ((var_1_8 <= (((((- var_1_12)) < ((var_1_11 - 99999.75))) ? ((- var_1_12)) : ((var_1_11 - 99999.75))))) ? ((last_1_var_1_29 && last_1_var_1_31) ? (var_1_28 == ((signed long int) last_1_var_1_1)) : (var_1_28 == ((signed long int) last_1_var_1_1))) : 1)) && ((! (var_1_10 <= 16.8)) ? (var_1_29 == ((unsigned char) (var_1_23 && ((var_1_24 || last_1_var_1_22) || var_1_30)))) : (((last_1_var_1_28 * (- 2)) <= 100) ? (last_1_var_1_22 ? (var_1_29 == ((unsigned char) 0)) : (var_1_29 == ((unsigned char) (var_1_23 && var_1_24)))) : 1))) && (var_1_31 == ((unsigned char) var_1_25)) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=2000001/2, var_1_11=2000001/2, var_1_12=2000001/2, var_1_13=2000001/2, var_1_14=2000001/2, var_1_15=2000001/2, var_1_16=2000001/2, var_1_19=2000001/2, var_1_1=64, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=51/2, var_1_28=64, var_1_29=1, var_1_30=1, var_1_31=0, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_8=2000001/2, var_1_9=2000001/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=2000001/2, var_1_11=2000001/2, var_1_12=2000001/2, var_1_13=2000001/2, var_1_14=2000001/2, var_1_15=2000001/2, var_1_16=2000001/2, var_1_19=2000001/2, var_1_1=64, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=51/2, var_1_28=64, var_1_29=1, var_1_30=1, var_1_31=0, var_1_3=194, var_1_4=64, var_1_5=65, var_1_7=127/4, var_1_8=2000001/2, var_1_9=2000001/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 20, 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=42occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:48,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c096c5b3e37732c880e99f350f4cb2d9214c8eea1247da7d7d353fb9735c198c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:51,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:51,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:32:51,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:51,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:51,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:51,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:51,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:51,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:51,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:51,219 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:51,219 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:51,220 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:51,221 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:51,222 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:51,222 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:51,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:51,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:51,225 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:51,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:51,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:51,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:51,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:51,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:51,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:51,229 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:51,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:51,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:51,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:51,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:51,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:51,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:51,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:51,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:51,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:51,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:51,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:51,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:51,235 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:51,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:51,237 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:51,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:51,238 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:51,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:51,238 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c096c5b3e37732c880e99f350f4cb2d9214c8eea1247da7d7d353fb9735c198c [2023-11-23 20:32:51,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:51,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:51,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:51,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:51,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:51,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i [2023-11-23 20:32:54,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:55,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:55,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i [2023-11-23 20:32:55,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data/f21ab669d/73fa348f5c6244779ada3667092476f8/FLAGb736c86cf [2023-11-23 20:32:55,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/data/f21ab669d/73fa348f5c6244779ada3667092476f8 [2023-11-23 20:32:55,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:55,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:55,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:55,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:55,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:55,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48526673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55, skipping insertion in model container [2023-11-23 20:32:55,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:55,463 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i[916,929] [2023-11-23 20:32:55,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:55,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:55,572 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_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-34.i[916,929] [2023-11-23 20:32:55,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:55,670 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:55,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55 WrapperNode [2023-11-23 20:32:55,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:55,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:55,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:55,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:55,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,765 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-23 20:32:55,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:55,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:55,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:55,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:55,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:55,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:55,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:55,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:55,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (1/1) ... [2023-11-23 20:32:55,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:55,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:55,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:55,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:32:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:56,100 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:56,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:08,880 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:08,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:09,001 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:09,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:09 BoogieIcfgContainer [2023-11-23 20:33:09,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:09,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:09,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:09,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:09,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:55" (1/3) ... [2023-11-23 20:33:09,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b75aa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:09, skipping insertion in model container [2023-11-23 20:33:09,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:55" (2/3) ... [2023-11-23 20:33:09,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b75aa56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:09, skipping insertion in model container [2023-11-23 20:33:09,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:09" (3/3) ... [2023-11-23 20:33:09,021 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-34.i [2023-11-23 20:33:09,046 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:09,046 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:09,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:09,138 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;@5bd6dac2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:09,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:33:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 20:33:09,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:09,165 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:09,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:09,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:09,174 INFO L85 PathProgramCache]: Analyzing trace with hash 600629456, now seen corresponding path program 1 times [2023-11-23 20:33:09,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:09,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698093724] [2023-11-23 20:33:09,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:09,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:09,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:09,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:09,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:33:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:11,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:33:11,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-23 20:33:11,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:11,190 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:11,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698093724] [2023-11-23 20:33:11,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698093724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:11,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:11,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:11,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174194521] [2023-11-23 20:33:11,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:11,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:33:11,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:11,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:33:11,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:11,242 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 20:33:13,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:13,896 INFO L93 Difference]: Finished difference Result 145 states and 252 transitions. [2023-11-23 20:33:14,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:33:14,062 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2023-11-23 20:33:14,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:14,073 INFO L225 Difference]: With dead ends: 145 [2023-11-23 20:33:14,073 INFO L226 Difference]: Without dead ends: 72 [2023-11-23 20:33:14,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:14,083 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:14,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 20:33:14,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-23 20:33:14,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-23 20:33:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:33:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2023-11-23 20:33:14,149 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 138 [2023-11-23 20:33:14,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:14,149 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2023-11-23 20:33:14,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 20:33:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-23 20:33:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 20:33:14,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:14,156 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:14,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:14,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:14,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:14,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:14,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1015582052, now seen corresponding path program 1 times [2023-11-23 20:33:14,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:14,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556449017] [2023-11-23 20:33:14,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:14,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:14,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:14,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:33:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:16,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:33:16,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-23 20:33:22,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:33:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 20:33:26,148 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:26,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556449017] [2023-11-23 20:33:26,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556449017] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:33:26,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [962119930] [2023-11-23 20:33:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:26,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:26,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:33:26,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:33:26,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:33:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:27,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:33:27,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 20:33:27,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:27,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [962119930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:27,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:33:27,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 8] total 16 [2023-11-23 20:33:27,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995404823] [2023-11-23 20:33:27,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:27,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:33:27,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:27,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:33:27,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:33:27,846 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 20:33:30,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:32,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:34,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:36,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:38,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:40,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:40,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:40,702 INFO L93 Difference]: Finished difference Result 145 states and 226 transitions. [2023-11-23 20:33:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:33:40,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2023-11-23 20:33:40,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:40,903 INFO L225 Difference]: With dead ends: 145 [2023-11-23 20:33:40,904 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 20:33:40,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:33:40,907 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 8 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:40,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 299 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 12.8s Time] [2023-11-23 20:33:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 20:33:40,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2023-11-23 20:33:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:33:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-11-23 20:33:40,929 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 138 [2023-11-23 20:33:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:40,932 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-11-23 20:33:40,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 20:33:40,933 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-23 20:33:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 20:33:40,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:40,937 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:40,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:41,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:41,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:41,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:41,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1013735010, now seen corresponding path program 1 times [2023-11-23 20:33:41,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:41,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26722695] [2023-11-23 20:33:41,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:41,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:41,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:41,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbcb901a-d3a2-455a-bcf8-e9f934a4b178/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process