./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje --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 ea7df308032d06b1304a4a33893d142fbc642677e172fa30f17dc86e231db193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:25:04,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:25:04,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:25:04,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:25:04,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:25:04,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:25:04,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:25:04,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:25:04,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:25:04,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:25:04,341 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:25:04,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:25:04,342 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:25:04,342 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:25:04,344 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:25:04,344 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:25:04,345 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:25:04,345 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:25:04,348 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:25:04,348 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:25:04,349 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:25:04,362 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:25:04,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:25:04,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:25:04,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:25:04,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:25:04,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:25:04,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:25:04,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:25:04,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:25:04,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:25:04,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:25:04,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:25:04,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:25:04,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:25:04,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:25:04,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:25:04,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:25:04,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:25:04,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:25:04,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:25:04,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:25:04,369 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:25:04,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:25:04,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:25:04,370 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:25:04,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:25:04,370 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_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea7df308032d06b1304a4a33893d142fbc642677e172fa30f17dc86e231db193 [2024-11-09 06:25:04,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:25:04,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:25:04,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:25:04,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:25:04,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:25:04,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i Unable to find full path for "g++" [2024-11-09 06:25:06,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:25:06,815 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:25:06,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i [2024-11-09 06:25:06,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data/8ea576fab/3652d4a3d942456fac0dcf2b37441626/FLAG9a7830e18 [2024-11-09 06:25:06,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data/8ea576fab/3652d4a3d942456fac0dcf2b37441626 [2024-11-09 06:25:06,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:25:06,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:25:06,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:25:06,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:25:06,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:25:06,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:25:06" (1/1) ... [2024-11-09 06:25:06,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d1c44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:06, skipping insertion in model container [2024-11-09 06:25:06,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:25:06" (1/1) ... [2024-11-09 06:25:06,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:25:07,077 WARN L250 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_0951a26f-206d-4bec-8391-1c483d50d009/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i[915,928] [2024-11-09 06:25:07,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:25:07,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:25:07,163 WARN L250 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_0951a26f-206d-4bec-8391-1c483d50d009/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i[915,928] [2024-11-09 06:25:07,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:25:07,207 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:25:07,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07 WrapperNode [2024-11-09 06:25:07,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:25:07,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:25:07,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:25:07,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:25:07,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,259 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-09 06:25:07,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:25:07,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:25:07,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:25:07,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:25:07,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:25:07,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:25:07,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:25:07,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:25:07,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (1/1) ... [2024-11-09 06:25:07,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:25:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:25:07,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:25:07,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:25:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:25:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:25:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:25:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:25:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:25:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:25:07,471 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:25:07,475 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:25:07,887 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 06:25:07,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:25:08,133 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:25:08,133 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:25:08,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:25:08 BoogieIcfgContainer [2024-11-09 06:25:08,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:25:08,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:25:08,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:25:08,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:25:08,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:25:06" (1/3) ... [2024-11-09 06:25:08,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5245faad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:25:08, skipping insertion in model container [2024-11-09 06:25:08,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:07" (2/3) ... [2024-11-09 06:25:08,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5245faad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:25:08, skipping insertion in model container [2024-11-09 06:25:08,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:25:08" (3/3) ... [2024-11-09 06:25:08,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-90.i [2024-11-09 06:25:08,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:25:08,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:25:08,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:25:08,279 INFO L333 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, 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;@3ea44d28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:25:08,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:25:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:25:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 06:25:08,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:08,296 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:25:08,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:08,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:08,306 INFO L85 PathProgramCache]: Analyzing trace with hash 830649288, now seen corresponding path program 1 times [2024-11-09 06:25:08,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:25:08,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788117160] [2024-11-09 06:25:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:08,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:25:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:25:08,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818844548] [2024-11-09 06:25:08,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:08,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:25:08,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:25:08,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:25:08,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:25:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:25:09,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:25:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:25:09,322 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:25:09,324 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:25:09,326 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:25:09,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:25:09,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:25:09,533 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:25:09,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:25:09,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:25:09 BoogieIcfgContainer [2024-11-09 06:25:09,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:25:09,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:25:09,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:25:09,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:25:09,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:25:08" (3/4) ... [2024-11-09 06:25:09,609 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:25:09,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:25:09,612 INFO L158 Benchmark]: Toolchain (without parser) took 2761.04ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 118.1MB in the beginning and 133.4MB in the end (delta: -15.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-11-09 06:25:09,612 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:25:09,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.41ms. Allocated memory is still 155.2MB. Free memory was 118.1MB in the beginning and 102.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:25:09,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.14ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 100.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:25:09,614 INFO L158 Benchmark]: Boogie Preprocessor took 32.75ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 98.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:25:09,615 INFO L158 Benchmark]: RCFGBuilder took 840.00ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 57.8MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 06:25:09,615 INFO L158 Benchmark]: TraceAbstraction took 1467.92ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 57.3MB in the beginning and 134.4MB in the end (delta: -77.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:25:09,616 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 211.8MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:25:09,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.41ms. Allocated memory is still 155.2MB. Free memory was 118.1MB in the beginning and 102.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.14ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 100.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.75ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 98.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.00ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 57.8MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1467.92ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 57.3MB in the beginning and 134.4MB in the end (delta: -77.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 211.8MB. Free memory is still 133.4MB. 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 46, overapproximation of bitwiseOr at line 45, overapproximation of someBinaryArithmeticFLOAToperation at line 69, overapproximation of someUnaryFLOAToperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -32; [L23] signed long int var_1_3 = 10; [L24] signed long int var_1_4 = 64; [L25] unsigned short int var_1_11 = 64; [L26] unsigned short int var_1_12 = 8; [L27] unsigned short int var_1_13 = 5; [L28] signed short int var_1_14 = 8; [L29] unsigned short int var_1_15 = 62763; [L30] unsigned long int var_1_16 = 25; [L31] float var_1_18 = 63.25; [L32] unsigned char var_1_20 = 0; [L33] float var_1_21 = 7.8; [L34] float var_1_22 = 32.1; [L35] unsigned char var_1_23 = 0; [L36] signed long int var_1_24 = -16; [L37] signed long int last_1_var_1_1 = -32; [L38] unsigned short int last_1_var_1_11 = 64; [L39] signed short int last_1_var_1_14 = 8; [L40] unsigned long int last_1_var_1_16 = 25; [L41] float last_1_var_1_18 = 63.25; [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] CALL updateLastVariables() [L121] last_1_var_1_1 = var_1_1 [L122] last_1_var_1_11 = var_1_11 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_16 = var_1_16 [L125] last_1_var_1_18 = var_1_18 [L135] RET updateLastVariables() [L136] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L94] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L95] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L96] var_1_4 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L98] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L99] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L100] var_1_12 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L102] CALL assume_abort_if_not(var_1_12 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_12 <= 16384) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L105] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L106] var_1_15 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L108] CALL assume_abort_if_not(var_1_15 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_15 <= 65535) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L109] var_1_20 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L111] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L112] var_1_21 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L114] var_1_22 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L116] var_1_23 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L118] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-1] [L136] RET updateVariables() [L137] CALL step() [L45] EXPR last_1_var_1_1 | last_1_var_1_16 [L45] COND FALSE !((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) [L52] var_1_1 = last_1_var_1_11 [L54] COND FALSE !((- (- last_1_var_1_18)) != last_1_var_1_18) [L61] var_1_24 = last_1_var_1_14 [L63] COND FALSE !(((var_1_15 - var_1_12) + var_1_24) < var_1_24) [L66] unsigned short int stepLocal_0 = var_1_13; [L67] COND FALSE !(var_1_24 < stepLocal_0) [L78] var_1_18 = var_1_21 [L80] COND TRUE var_1_18 != (var_1_18 + var_1_18) [L81] var_1_11 = ((var_1_12 + var_1_13) + 32) [L83] COND FALSE !(((var_1_1 * var_1_4) + var_1_1) > var_1_1) [L88] var_1_16 = 0u [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR last_1_var_1_1 | last_1_var_1_16 [L128-L129] return (((((((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) ? (((last_1_var_1_18 * last_1_var_1_18) < last_1_var_1_18) ? (var_1_1 == ((signed long int) last_1_var_1_11)) : (var_1_1 == ((signed long int) last_1_var_1_11))) : (var_1_1 == ((signed long int) last_1_var_1_11))) && ((var_1_18 != (var_1_18 + var_1_18)) ? (var_1_11 == ((unsigned short int) ((var_1_12 + var_1_13) + 32))) : 1)) && ((((var_1_15 - var_1_12) + var_1_24) < var_1_24) ? (var_1_14 == ((signed short int) var_1_12)) : 1)) && ((((var_1_1 * var_1_4) + var_1_1) > var_1_1) ? ((var_1_14 < var_1_1) ? (var_1_16 == ((unsigned long int) var_1_12)) : 1) : (var_1_16 == ((unsigned long int) 0u)))) && ((var_1_24 < var_1_13) ? (var_1_20 ? (var_1_18 == ((float) (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) + var_1_22))) : (var_1_23 ? (var_1_18 == ((float) (var_1_22 + var_1_21))) : (var_1_18 == ((float) -0.75f)))) : (var_1_18 == ((float) var_1_21)))) && (((- (- last_1_var_1_18)) != last_1_var_1_18) ? ((var_1_12 <= ((((last_1_var_1_14) > ((- last_1_var_1_14))) ? (last_1_var_1_14) : ((- last_1_var_1_14))))) ? (var_1_24 == ((signed long int) -50)) : (var_1_24 == ((signed long int) last_1_var_1_14))) : (var_1_24 == ((signed long int) last_1_var_1_14))) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=48, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=0, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=48, var_1_12=-65528, var_1_13=131080, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=0, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 18, 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=36occurred 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, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 06:25:09,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje --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 ea7df308032d06b1304a4a33893d142fbc642677e172fa30f17dc86e231db193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:25:12,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:25:12,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:25:12,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:25:12,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:25:12,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:25:12,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:25:12,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:25:12,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:25:12,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:25:12,289 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:25:12,289 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:25:12,290 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:25:12,292 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:25:12,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:25:12,292 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:25:12,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:25:12,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:25:12,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:25:12,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:25:12,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:25:12,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:25:12,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:25:12,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:25:12,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:25:12,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:25:12,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:25:12,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:25:12,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:25:12,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:25:12,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:25:12,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:25:12,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:25:12,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:25:12,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:25:12,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:25:12,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:25:12,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:25:12,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:25:12,304 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:25:12,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:25:12,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:25:12,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:25:12,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea7df308032d06b1304a4a33893d142fbc642677e172fa30f17dc86e231db193 [2024-11-09 06:25:12,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:25:12,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:25:12,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:25:12,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:25:12,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:25:12,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i Unable to find full path for "g++" [2024-11-09 06:25:14,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:25:15,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:25:15,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i [2024-11-09 06:25:15,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data/f3dc3a530/6f918069d2a749aca5df2f4f5aee0abd/FLAG08bf9e368 [2024-11-09 06:25:15,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/data/f3dc3a530/6f918069d2a749aca5df2f4f5aee0abd [2024-11-09 06:25:15,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:25:15,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:25:15,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:25:15,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:25:15,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:25:15,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:15,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfee964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15, skipping insertion in model container [2024-11-09 06:25:15,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:15,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:25:15,703 WARN L250 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_0951a26f-206d-4bec-8391-1c483d50d009/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i[915,928] [2024-11-09 06:25:15,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:25:15,809 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:25:15,823 WARN L250 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_0951a26f-206d-4bec-8391-1c483d50d009/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-90.i[915,928] [2024-11-09 06:25:15,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:25:15,898 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:25:15,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15 WrapperNode [2024-11-09 06:25:15,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:25:15,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:25:15,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:25:15,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:25:15,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:15,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:15,968 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-09 06:25:15,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:25:15,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:25:15,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:25:15,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:25:15,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:15,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:25:16,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:25:16,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:25:16,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:25:16,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (1/1) ... [2024-11-09 06:25:16,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:25:16,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:25:16,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:25:16,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:25:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:25:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:25:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:25:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:25:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:25:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:25:16,225 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:25:16,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:25:17,264 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 06:25:17,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:25:17,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:25:17,286 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:25:17,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:25:17 BoogieIcfgContainer [2024-11-09 06:25:17,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:25:17,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:25:17,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:25:17,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:25:17,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:25:15" (1/3) ... [2024-11-09 06:25:17,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fb4451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:25:17, skipping insertion in model container [2024-11-09 06:25:17,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:25:15" (2/3) ... [2024-11-09 06:25:17,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fb4451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:25:17, skipping insertion in model container [2024-11-09 06:25:17,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:25:17" (3/3) ... [2024-11-09 06:25:17,300 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-90.i [2024-11-09 06:25:17,319 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:25:17,319 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:25:17,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:25:17,429 INFO L333 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, 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;@402ba4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:25:17,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:25:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:25:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 06:25:17,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:17,454 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:25:17,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:17,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:17,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1338042604, now seen corresponding path program 1 times [2024-11-09 06:25:17,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:25:17,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461404042] [2024-11-09 06:25:17,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:17,482 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 [2024-11-09 06:25:17,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:25:17,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:25:17,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:25:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:17,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:25:17,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:25:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-09 06:25:18,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:25:18,036 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:25:18,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461404042] [2024-11-09 06:25:18,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461404042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:18,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:25:18,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:25:18,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689546948] [2024-11-09 06:25:18,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:18,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:25:18,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:25:18,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:25:18,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:25:18,079 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:25:18,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:18,120 INFO L93 Difference]: Finished difference Result 109 states and 190 transitions. [2024-11-09 06:25:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:25:18,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-09 06:25:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:18,132 INFO L225 Difference]: With dead ends: 109 [2024-11-09 06:25:18,132 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 06:25:18,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:25:18,142 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:18,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:25:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 06:25:18,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 06:25:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 06:25:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 82 transitions. [2024-11-09 06:25:18,202 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 82 transitions. Word has length 115 [2024-11-09 06:25:18,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:25:18,204 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 82 transitions. [2024-11-09 06:25:18,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 06:25:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2024-11-09 06:25:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 06:25:18,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:18,208 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:25:18,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:25:18,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:25:18,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:18,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1905954596, now seen corresponding path program 1 times [2024-11-09 06:25:18,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:25:18,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163003465] [2024-11-09 06:25:18,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:18,415 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 [2024-11-09 06:25:18,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:25:18,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:25:18,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:25:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:18,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 06:25:18,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:25:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-09 06:25:20,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:25:20,782 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:25:20,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163003465] [2024-11-09 06:25:20,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163003465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:25:20,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1428818635] [2024-11-09 06:25:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:20,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:25:20,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:25:20,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:25:20,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:25:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:22,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:25:22,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:25:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-09 06:25:23,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:25:23,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1428818635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:25:23,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433567082] [2024-11-09 06:25:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:23,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:25:23,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:25:24,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:25:24,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0951a26f-206d-4bec-8391-1c483d50d009/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:25:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:24,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 06:25:24,365 INFO L278 TraceCheckSpWp]: Computing forward predicates...