./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:24,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:24,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:29:24,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:24,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:24,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:24,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:24,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:24,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:24,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:24,341 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:24,342 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:24,342 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:24,345 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:24,347 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:24,348 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:24,348 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:24,348 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:24,349 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:24,349 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:24,349 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:24,350 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:24,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:24,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:24,351 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:24,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:24,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:24,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:24,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:24,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:24,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:24,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:24,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:24,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:24,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:24,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:24,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:24,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:24,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:24,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:24,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:24,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:24,357 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:24,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:24,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:24,358 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:24,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:24,358 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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2024-11-09 04:29:24,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:24,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:24,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:24,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:24,761 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:24,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i Unable to find full path for "g++" [2024-11-09 04:29:26,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:27,044 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:27,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2024-11-09 04:29:27,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data/158ecaf86/463e6e305082494c8fca2d8dffb06595/FLAG09577bf36 [2024-11-09 04:29:27,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data/158ecaf86/463e6e305082494c8fca2d8dffb06595 [2024-11-09 04:29:27,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:27,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:27,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:27,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:27,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:27,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e554720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27, skipping insertion in model container [2024-11-09 04:29:27,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:27,345 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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-11-09 04:29:27,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:27,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:27,411 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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-11-09 04:29:27,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:27,459 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:27,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27 WrapperNode [2024-11-09 04:29:27,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:27,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:27,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:27,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:27,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,522 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-11-09 04:29:27,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:27,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:27,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:27,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:27,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:27,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:27,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:27,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:27,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (1/1) ... [2024-11-09 04:29:27,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:27,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:27,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:27,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:29:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:27,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:27,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:27,896 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:27,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:27,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:27,995 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:27,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:27 BoogieIcfgContainer [2024-11-09 04:29:27,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:27,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:27,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:28,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:28,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:27" (1/3) ... [2024-11-09 04:29:28,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c938f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:28, skipping insertion in model container [2024-11-09 04:29:28,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:27" (2/3) ... [2024-11-09 04:29:28,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c938f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:28, skipping insertion in model container [2024-11-09 04:29:28,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:27" (3/3) ... [2024-11-09 04:29:28,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2024-11-09 04:29:28,028 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:28,029 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:28,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:28,107 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;@1a78cf41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:28,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:29:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 04:29:28,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:28,126 INFO L215 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:28,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:28,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:28,136 INFO L85 PathProgramCache]: Analyzing trace with hash 447748827, now seen corresponding path program 1 times [2024-11-09 04:29:28,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:28,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322740248] [2024-11-09 04:29:28,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:28,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:28,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:29:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:28,588 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:29:28,590 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:29:28,592 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:29:28,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:29:28,599 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:29:28,653 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:29:28,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:29:28 BoogieIcfgContainer [2024-11-09 04:29:28,656 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:29:28,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:29:28,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:29:28,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:29:28,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:27" (3/4) ... [2024-11-09 04:29:28,660 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:29:28,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:29:28,662 INFO L158 Benchmark]: Toolchain (without parser) took 1582.41ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 98.9MB in the end (delta: 51.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-09 04:29:28,663 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:28,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.43ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 147.1MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 04:29:28,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.03ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 145.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:28,664 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 144.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:28,665 INFO L158 Benchmark]: RCFGBuilder took 440.25ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 126.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:29:28,666 INFO L158 Benchmark]: TraceAbstraction took 657.52ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 98.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 04:29:28,666 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 182.5MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:28,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.43ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 147.1MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.03ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 145.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 144.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.25ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 126.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 657.52ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 98.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 182.5MB. Free memory is still 98.9MB. 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 someBinaryDOUBLEComparisonOperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 3.25; [L24] double var_1_3 = 32.75; [L25] double var_1_4 = 128.75; [L26] unsigned char var_1_6 = 32; [L27] unsigned char var_1_7 = 32; [L28] unsigned char var_1_8 = 16; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 1; [L32] signed short int var_1_12 = 10; [L72] isInitial = 1 [L73] FCALL initially() [L74] COND TRUE 1 [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] 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, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L44] 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, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L45] var_1_3 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L47] var_1_4 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L49] var_1_6 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L51] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L52] var_1_7 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_7 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_7 >= 32) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=16, var_1_9=0] [L55] var_1_8 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_9=0] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L58] var_1_9 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63] [L60] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L61] var_1_11 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L63] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L76] RET updateVariables() [L77] CALL step() [L36] var_1_10 = var_1_11 [L37] COND FALSE !((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) [L40] var_1_12 = var_1_1 [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) ? (var_1_1 == ((unsigned char) (((var_1_6 + var_1_7) - var_1_8) + var_1_9))) : 1) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((signed short int) var_1_1)) ; [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_6=-16095, var_1_7=32, var_1_8=63, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 13, 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=30occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:29:28,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:31,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:31,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:29:31,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:31,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:31,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:31,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:31,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:31,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:31,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:31,263 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:31,264 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:31,264 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:31,264 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:31,267 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:31,267 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:31,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:31,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:31,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:29:31,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:29:31,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:31,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:31,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:31,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:31,274 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:29:31,274 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:29:31,274 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:31,274 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:29:31,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:29:31,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:31,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:31,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:31,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:29:31,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:31,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:31,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:31,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:31,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:31,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:31,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:29:31,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:29:31,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:31,281 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:31,281 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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2024-11-09 04:29:31,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:31,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:31,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:31,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:31,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:31,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i Unable to find full path for "g++" [2024-11-09 04:29:34,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:34,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:34,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2024-11-09 04:29:34,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data/c2cce1eef/395292a54f8944d4b26ce2278ab52185/FLAGac64f3d4c [2024-11-09 04:29:34,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/data/c2cce1eef/395292a54f8944d4b26ce2278ab52185 [2024-11-09 04:29:34,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:34,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:34,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:34,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:34,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:34,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed48b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34, skipping insertion in model container [2024-11-09 04:29:34,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:34,687 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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-11-09 04:29:34,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:34,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:34,782 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_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-11-09 04:29:34,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:34,838 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:34,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34 WrapperNode [2024-11-09 04:29:34,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:34,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:34,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:34,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:34,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,901 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-11-09 04:29:34,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:34,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:34,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:34,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:34,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:34,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:34,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:34,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:34,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (1/1) ... [2024-11-09 04:29:34,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:34,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:35,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:29:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:29:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:29:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:29:35,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:35,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:35,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:35,567 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:35,568 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:35,583 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:35,583 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:29:35,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:35 BoogieIcfgContainer [2024-11-09 04:29:35,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:35,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:35,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:35,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:35,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:34" (1/3) ... [2024-11-09 04:29:35,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abd7f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:35, skipping insertion in model container [2024-11-09 04:29:35,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:34" (2/3) ... [2024-11-09 04:29:35,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abd7f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:35, skipping insertion in model container [2024-11-09 04:29:35,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:35" (3/3) ... [2024-11-09 04:29:35,595 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2024-11-09 04:29:35,609 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:35,609 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:29:35,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:35,680 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;@19a07a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:35,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:29:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:29:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 04:29:35,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:35,695 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:35,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:35,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:35,700 INFO L85 PathProgramCache]: Analyzing trace with hash -848567134, now seen corresponding path program 1 times [2024-11-09 04:29:35,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:35,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303574050] [2024-11-09 04:29:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:35,714 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 04:29:35,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:35,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:35,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:35,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:29:35,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 04:29:36,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:29:36,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:36,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303574050] [2024-11-09 04:29:36,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303574050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:36,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:36,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:29:36,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212260217] [2024-11-09 04:29:36,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:36,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:29:36,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:36,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:29:36,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:29:36,083 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:29:36,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:36,114 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2024-11-09 04:29:36,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:29:36,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-11-09 04:29:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:36,126 INFO L225 Difference]: With dead ends: 77 [2024-11-09 04:29:36,127 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 04:29:36,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 04:29:36,135 INFO L432 NwaCegarLoop]: 51 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, 51 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 04:29:36,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:29:36,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 04:29:36,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 04:29:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 04:29:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2024-11-09 04:29:36,190 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2024-11-09 04:29:36,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:36,191 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2024-11-09 04:29:36,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:29:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-09 04:29:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 04:29:36,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:36,207 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:36,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:36,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:36,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:36,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:36,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1250402584, now seen corresponding path program 1 times [2024-11-09 04:29:36,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:36,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78039191] [2024-11-09 04:29:36,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:36,410 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 04:29:36,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:36,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:36,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:36,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:29:36,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 227 proven. 51 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 04:29:38,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:29:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 04:29:39,819 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:39,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78039191] [2024-11-09 04:29:39,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78039191] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 04:29:39,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:29:39,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [22] total 27 [2024-11-09 04:29:39,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973227675] [2024-11-09 04:29:39,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:39,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:29:39,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:39,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:29:39,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2024-11-09 04:29:39,828 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 04:29:41,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:41,193 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2024-11-09 04:29:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:29:41,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2024-11-09 04:29:41,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:41,196 INFO L225 Difference]: With dead ends: 61 [2024-11-09 04:29:41,197 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 04:29:41,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2024-11-09 04:29:41,199 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 60 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:41,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 212 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 04:29:41,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 04:29:41,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-11-09 04:29:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 04:29:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-11-09 04:29:41,227 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2024-11-09 04:29:41,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:41,228 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-11-09 04:29:41,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-09 04:29:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-09 04:29:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 04:29:41,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:41,232 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:29:41,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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)] Ended with exit code 0 [2024-11-09 04:29:41,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:41,437 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:29:41,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:41,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1193144282, now seen corresponding path program 1 times [2024-11-09 04:29:41,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:29:41,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73314886] [2024-11-09 04:29:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:41,440 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 04:29:41,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:29:41,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:41,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 (4)] Waiting until timeout for monitored process [2024-11-09 04:29:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:41,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:29:41,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:29:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-09 04:29:47,942 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:29:47,942 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:29:47,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73314886] [2024-11-09 04:29:47,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73314886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:47,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:47,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 04:29:47,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893761565] [2024-11-09 04:29:47,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:47,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:29:47,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:29:47,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:29:47,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:29:47,945 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:29:59,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:59,175 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2024-11-09 04:29:59,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 04:29:59,183 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-11-09 04:29:59,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:59,184 INFO L225 Difference]: With dead ends: 66 [2024-11-09 04:29:59,184 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:29:59,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-09 04:29:59,186 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 57 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:59,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 188 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-09 04:29:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:29:59,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:29:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:29:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:29:59,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-11-09 04:29:59,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:59,191 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:29:59,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 04:29:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:29:59,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:29:59,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:29:59,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 (4)] Ended with exit code 0 [2024-11-09 04:29:59,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/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 04:29:59,399 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 04:29:59,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 04:30:02,399 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:30:02,411 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-09 04:30:02,413 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-09 04:30:02,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:30:02 BoogieIcfgContainer [2024-11-09 04:30:02,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:30:02,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:30:02,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:30:02,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:30:02,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:35" (3/4) ... [2024-11-09 04:30:02,436 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:30:02,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 04:30:02,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 04:30:02,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 04:30:02,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 04:30:02,445 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:30:02,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:30:02,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:30:02,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:30:02,551 INFO L158 Benchmark]: Toolchain (without parser) took 28085.44ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 38.8MB in the beginning and 41.2MB in the end (delta: -2.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,551 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:30:02,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.32ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 42.3MB in the end (delta: -3.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 40.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,552 INFO L158 Benchmark]: Boogie Preprocessor took 51.07ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 38.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,553 INFO L158 Benchmark]: RCFGBuilder took 629.38ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 38.8MB in the beginning and 69.6MB in the end (delta: -30.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,553 INFO L158 Benchmark]: TraceAbstraction took 26838.60ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 68.7MB in the beginning and 46.4MB in the end (delta: 22.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,553 INFO L158 Benchmark]: Witness Printer took 122.35ms. Allocated memory is still 113.2MB. Free memory was 46.4MB in the beginning and 41.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 04:30:02,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.32ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 42.3MB in the end (delta: -3.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 40.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.07ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 38.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.38ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 38.8MB in the beginning and 69.6MB in the end (delta: -30.7MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 26838.60ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 68.7MB in the beginning and 46.4MB in the end (delta: 22.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 122.35ms. Allocated memory is still 113.2MB. Free memory was 46.4MB in the beginning and 41.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 451 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 361 IncrementalHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 145 mSDtfsCounter, 361 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 339 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 28 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1197/1248 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((var_1_11 >= 1) && (var_1_11 <= 1)) && (var_1_11 == var_1_10)) || ((((var_1_11 >= 1) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && (var_1_11 == var_1_10))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 04:30:02,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed097f7-dcd2-4d4f-bc36-c3dbb35d4fb5/bin/utaipan-verify-YMUCfTKeje/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 Writing output log to file Ultimate.log Result: TRUE