./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E --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 3080751745ace4a5424c6116a03e4f3a2ea0bb277f15aed4801d2ca20d1f42cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:36:00,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:36:00,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:36:00,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:36:00,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:36:00,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:36:00,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:36:00,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:36:00,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:36:00,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:36:00,945 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:36:00,945 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:36:00,945 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:36:00,946 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:36:00,946 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:36:00,946 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:36:00,946 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:36:00,946 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:36:00,946 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:36:00,947 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:36:00,947 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:36:00,947 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:36:00,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:36:00,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:36:00,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:36:00,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:36:00,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:36:00,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:36:00,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:36:00,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:36:00,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:36:00,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:00,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:36:00,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:36:00,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:36:00,952 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:36:00,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:36:00,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:36:00,953 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:36:00,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:36:00,954 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E 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 -> 3080751745ace4a5424c6116a03e4f3a2ea0bb277f15aed4801d2ca20d1f42cb [2024-11-14 05:36:01,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:36:01,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:36:01,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:36:01,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:36:01,323 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:36:01,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i Unable to find full path for "g++" [2024-11-14 05:36:03,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:36:03,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:36:03,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i [2024-11-14 05:36:03,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data/5446acaee/6b27bf2073674e2d8227dfcd169b310a/FLAGb0e7e8e95 [2024-11-14 05:36:03,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data/5446acaee/6b27bf2073674e2d8227dfcd169b310a [2024-11-14 05:36:03,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:36:03,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:36:03,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:03,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:36:04,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:36:04,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:03" (1/1) ... [2024-11-14 05:36:04,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339e83dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04, skipping insertion in model container [2024-11-14 05:36:04,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:03" (1/1) ... [2024-11-14 05:36:04,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:36:04,245 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_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i[915,928] [2024-11-14 05:36:04,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:04,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:36:04,369 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_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i[915,928] [2024-11-14 05:36:04,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:04,418 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:36:04,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04 WrapperNode [2024-11-14 05:36:04,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:04,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:04,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:36:04,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:36:04,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,491 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-11-14 05:36:04,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:04,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:36:04,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:36:04,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:36:04,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:36:04,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:36:04,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:36:04,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:36:04,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (1/1) ... [2024-11-14 05:36:04,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:04,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:04,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:36:04,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:36:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:36:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:36:04,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:36:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:36:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:36:04,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:36:04,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:36:04,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:36:05,329 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 05:36:05,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:36:05,555 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:36:05,555 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:36:05,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:05 BoogieIcfgContainer [2024-11-14 05:36:05,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:36:05,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:36:05,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:36:05,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:36:05,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:36:03" (1/3) ... [2024-11-14 05:36:05,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2bec2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:05, skipping insertion in model container [2024-11-14 05:36:05,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:04" (2/3) ... [2024-11-14 05:36:05,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2bec2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:05, skipping insertion in model container [2024-11-14 05:36:05,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:05" (3/3) ... [2024-11-14 05:36:05,568 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-77.i [2024-11-14 05:36:05,621 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:36:05,623 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-77.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:36:05,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:36:05,727 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;@1f426a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:36:05,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:36:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:36:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 05:36:05,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:05,745 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:05,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:05,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:05,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1832768531, now seen corresponding path program 1 times [2024-11-14 05:36:05,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:36:05,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130783727] [2024-11-14 05:36:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:05,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:36:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:36:06,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044774141] [2024-11-14 05:36:06,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:06,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:36:06,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:06,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:36:06,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:36:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:36:06,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:36:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:36:06,888 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:36:06,890 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:36:06,892 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:36:06,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:36:07,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:36:07,097 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:36:07,170 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:36:07,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:36:07 BoogieIcfgContainer [2024-11-14 05:36:07,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:36:07,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:36:07,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:36:07,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:36:07,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:05" (3/4) ... [2024-11-14 05:36:07,178 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:36:07,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:36:07,181 INFO L158 Benchmark]: Toolchain (without parser) took 3183.20ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 49.1MB in the end (delta: 44.9MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-14 05:36:07,181 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:07,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.85ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 80.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:36:07,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.71ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 76.8MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:36:07,182 INFO L158 Benchmark]: Boogie Preprocessor took 44.75ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:07,183 INFO L158 Benchmark]: RCFGBuilder took 1018.43ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 39.6MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:36:07,183 INFO L158 Benchmark]: TraceAbstraction took 1615.38ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 49.1MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:07,183 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:07,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.85ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 80.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.71ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 76.8MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.75ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1018.43ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 39.6MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1615.38ms. Allocated memory is still 117.4MB. Free memory was 38.9MB in the beginning and 49.1MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. 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 100, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] float var_1_6 = 255.25; [L27] unsigned short int var_1_7 = 16; [L28] signed char var_1_8 = -10; [L29] signed char var_1_9 = -8; [L30] unsigned short int var_1_10 = 8; [L31] unsigned short int var_1_11 = 10000; [L32] unsigned short int var_1_12 = 5; [L33] signed short int var_1_13 = 200; [L34] unsigned char var_1_15 = 0; [L35] unsigned short int var_1_16 = 35895; [L36] unsigned short int var_1_17 = 18336; [L37] unsigned char var_1_18 = 0; [L38] signed long int var_1_19 = -50; [L39] signed char last_1_var_1_8 = -10; [L40] unsigned char last_1_var_1_15 = 0; [L41] signed long int last_1_var_1_19 = -50; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_15 = var_1_15 [L126] last_1_var_1_19 = var_1_19 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] var_1_3 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] var_1_4 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L98] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L99] var_1_6 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=16, var_1_8=-10, var_1_9=-8] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_8=-10, var_1_9=-8] [L103] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=-8] [L104] var_1_9 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L107] var_1_11 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=5, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L110] var_1_12 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L113] var_1_16 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=8, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L137] RET updateVariables() [L138] CALL step() [L45] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) [L52] signed long int stepLocal_1 = var_1_16 - (var_1_17 - 256); [L53] COND FALSE !(var_1_3 != var_1_6) [L60] var_1_15 = var_1_18 [L62] signed long int stepLocal_0 = (((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)); [L63] COND FALSE !(stepLocal_0 <= last_1_var_1_8) [L70] var_1_1 = var_1_7 [L72] COND FALSE !((- var_1_7) < (var_1_1 * var_1_4)) [L75] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) [L76] unsigned short int stepLocal_4 = var_1_1; [L77] signed long int stepLocal_3 = var_1_7 + (128 + var_1_1); [L78] signed long int stepLocal_2 = - var_1_10; [L79] COND FALSE !(var_1_1 < stepLocal_2) [L84] COND TRUE stepLocal_4 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11) [L85] var_1_19 = ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))) [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= last_1_var_1_8) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_1 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (last_1_var_1_15 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_13 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_1 < (- var_1_10)) ? (((var_1_7 + (128 + var_1_1)) <= last_1_var_1_19) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_1 < (((((var_1_10) < (var_1_17)) ? (var_1_10) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=0, var_1_1=0, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, last_1_var_1_19=-50, last_1_var_1_8=-10, var_1_10=16384, var_1_11=8191, var_1_12=132929, var_1_13=200, var_1_15=0, var_1_16=32767, var_1_17=81919, var_1_18=0, var_1_19=0, var_1_1=0, var_1_4=-1, var_1_7=0, var_1_8=-10, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 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 [2024-11-14 05:36:07,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E --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 3080751745ace4a5424c6116a03e4f3a2ea0bb277f15aed4801d2ca20d1f42cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:36:10,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:36:10,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:36:10,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:36:10,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:36:10,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:36:10,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:36:10,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:36:10,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:36:10,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:36:10,721 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:36:10,721 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:36:10,722 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:36:10,722 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:36:10,722 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:36:10,722 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:36:10,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:36:10,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:36:10,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:36:10,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:36:10,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:36:10,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:10,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:36:10,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:36:10,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:36:10,725 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:36:10,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:10,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:36:10,726 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:36:10,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E 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 -> 3080751745ace4a5424c6116a03e4f3a2ea0bb277f15aed4801d2ca20d1f42cb [2024-11-14 05:36:11,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:36:11,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:36:11,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:36:11,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:36:11,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:36:11,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i Unable to find full path for "g++" [2024-11-14 05:36:13,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:36:13,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:36:13,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i [2024-11-14 05:36:13,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data/b1edda041/3feafa1da4d443a4a985b65f01501c48/FLAG75754abca [2024-11-14 05:36:13,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/data/b1edda041/3feafa1da4d443a4a985b65f01501c48 [2024-11-14 05:36:13,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:36:13,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:36:13,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:13,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:36:13,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:36:13,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a890d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:13, skipping insertion in model container [2024-11-14 05:36:13,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:13" (1/1) ... [2024-11-14 05:36:13,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:36:13,993 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_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i[915,928] [2024-11-14 05:36:14,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:14,120 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:36:14,137 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_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-77.i[915,928] [2024-11-14 05:36:14,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:14,238 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:36:14,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14 WrapperNode [2024-11-14 05:36:14,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:14,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:14,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:36:14,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:36:14,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,314 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-14 05:36:14,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:14,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:36:14,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:36:14,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:36:14,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:36:14,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:36:14,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:36:14,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:36:14,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (1/1) ... [2024-11-14 05:36:14,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:14,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:14,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:36:14,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:36:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:36:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:36:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:36:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:36:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:36:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:36:14,588 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:36:14,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:36:15,824 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 05:36:15,824 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:36:15,837 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:36:15,837 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:36:15,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:15 BoogieIcfgContainer [2024-11-14 05:36:15,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:36:15,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:36:15,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:36:15,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:36:15,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:36:13" (1/3) ... [2024-11-14 05:36:15,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a85b2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:15, skipping insertion in model container [2024-11-14 05:36:15,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:14" (2/3) ... [2024-11-14 05:36:15,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a85b2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:15, skipping insertion in model container [2024-11-14 05:36:15,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:15" (3/3) ... [2024-11-14 05:36:15,849 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-77.i [2024-11-14 05:36:15,866 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:36:15,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-77.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:36:15,931 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:36:15,944 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;@48b75739, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:36:15,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:36:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:36:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 05:36:15,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:15,962 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:15,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:15,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:15,967 INFO L85 PathProgramCache]: Analyzing trace with hash -735275170, now seen corresponding path program 1 times [2024-11-14 05:36:15,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:15,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333044675] [2024-11-14 05:36:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:15,978 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 [2024-11-14 05:36:15,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:15,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:36:15,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:36:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:16,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:36:16,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-14 05:36:16,386 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:16,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:16,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333044675] [2024-11-14 05:36:16,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333044675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:16,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:16,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:36:16,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16830479] [2024-11-14 05:36:16,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:16,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:36:16,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:16,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:36:16,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:36:16,419 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 05:36:16,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:16,449 INFO L93 Difference]: Finished difference Result 117 states and 199 transitions. [2024-11-14 05:36:16,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:36:16,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 124 [2024-11-14 05:36:16,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:16,459 INFO L225 Difference]: With dead ends: 117 [2024-11-14 05:36:16,459 INFO L226 Difference]: Without dead ends: 58 [2024-11-14 05:36:16,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:36:16,466 INFO L432 NwaCegarLoop]: 86 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, 86 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 [2024-11-14 05:36:16,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:36:16,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-14 05:36:16,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-14 05:36:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:36:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2024-11-14 05:36:16,518 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 124 [2024-11-14 05:36:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:16,518 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2024-11-14 05:36:16,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 05:36:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-14 05:36:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 05:36:16,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:16,524 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:16,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:36:16,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:36:16,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:16,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:16,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1605590560, now seen corresponding path program 1 times [2024-11-14 05:36:16,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:16,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588483389] [2024-11-14 05:36:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:16,731 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 [2024-11-14 05:36:16,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:16,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:36:16,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2f5979-bbdc-4e6c-8f4a-97260340c4a2/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:36:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:17,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 05:36:17,298 INFO L278 TraceCheckSpWp]: Computing forward predicates...