./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.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_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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_69ef7af9-5667-48b9-a00c-7477001f2a38/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 7e3b862ba9a2a4c1c92e3db12119deeccd82c1339b8fd16f8352680fc1302c9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:18:54,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:18:54,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:18:54,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:18:54,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:18:54,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:18:54,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:18:54,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:18:54,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:18:54,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:18:54,530 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:18:54,530 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:18:54,531 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:18:54,531 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:18:54,532 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:18:54,532 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:18:54,533 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:18:54,536 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:18:54,539 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:18:54,540 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:18:54,541 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:18:54,541 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:18:54,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:18:54,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:18:54,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:18:54,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:18:54,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:18:54,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:18:54,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:18:54,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:18:54,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:18:54,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:18:54,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:18:54,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:18:54,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:18:54,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:18:54,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:18:54,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:18:54,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:54,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:18:54,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:18:54,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:18:54,552 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:18:54,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:18:54,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:18:54,553 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:18:54,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:18:54,554 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_69ef7af9-5667-48b9-a00c-7477001f2a38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3b862ba9a2a4c1c92e3db12119deeccd82c1339b8fd16f8352680fc1302c9d [2024-11-09 07:18:54,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:18:54,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:18:54,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:18:54,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:18:54,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:18:54,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i Unable to find full path for "g++" [2024-11-09 07:18:57,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:18:57,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:18:57,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i [2024-11-09 07:18:57,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data/8f134fbf8/bf1a680d69d947c79ac7868cf2928360/FLAG019973145 [2024-11-09 07:18:57,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data/8f134fbf8/bf1a680d69d947c79ac7868cf2928360 [2024-11-09 07:18:57,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:18:57,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:18:57,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:57,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:18:57,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:18:57,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae8853d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57, skipping insertion in model container [2024-11-09 07:18:57,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:18:57,576 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_69ef7af9-5667-48b9-a00c-7477001f2a38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i[915,928] [2024-11-09 07:18:57,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:57,639 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:18:57,655 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_69ef7af9-5667-48b9-a00c-7477001f2a38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i[915,928] [2024-11-09 07:18:57,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:57,694 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:18:57,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57 WrapperNode [2024-11-09 07:18:57,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:57,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:57,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:18:57,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:18:57,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,745 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-09 07:18:57,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:57,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:18:57,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:18:57,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:18:57,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:18:57,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:18:57,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:18:57,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:18:57,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (1/1) ... [2024-11-09 07:18:57,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:57,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:57,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:18:57,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:18:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:18:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:18:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:18:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:18:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:18:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:18:57,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:18:57,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:18:58,214 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 07:18:58,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:18:58,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:18:58,336 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:18:58,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:58 BoogieIcfgContainer [2024-11-09 07:18:58,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:18:58,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:18:58,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:18:58,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:18:58,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:18:57" (1/3) ... [2024-11-09 07:18:58,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aea66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:58, skipping insertion in model container [2024-11-09 07:18:58,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:57" (2/3) ... [2024-11-09 07:18:58,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9aea66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:58, skipping insertion in model container [2024-11-09 07:18:58,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:58" (3/3) ... [2024-11-09 07:18:58,349 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-29.i [2024-11-09 07:18:58,368 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:18:58,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:18:58,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:18:58,457 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;@6005c4fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:18:58,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:18:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 07:18:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 07:18:58,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:58,474 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:58,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:58,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:58,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1244514055, now seen corresponding path program 1 times [2024-11-09 07:18:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:58,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766351143] [2024-11-09 07:18:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:58,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:18:58,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022553650] [2024-11-09 07:18:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:58,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:18:58,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:58,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:18:58,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:18:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:18:59,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:18:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:18:59,136 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:18:59,139 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:18:59,141 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:18:59,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:18:59,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:18:59,347 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:18:59,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:18:59,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:18:59 BoogieIcfgContainer [2024-11-09 07:18:59,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:18:59,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:18:59,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:18:59,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:18:59,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:58" (3/4) ... [2024-11-09 07:18:59,400 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:18:59,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:18:59,403 INFO L158 Benchmark]: Toolchain (without parser) took 2106.77ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 120.7MB in the beginning and 135.1MB in the end (delta: -14.4MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-09 07:18:59,404 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:18:59,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.22ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 107.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:18:59,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 104.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:18:59,406 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 103.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:18:59,406 INFO L158 Benchmark]: RCFGBuilder took 560.11ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 80.4MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 07:18:59,407 INFO L158 Benchmark]: TraceAbstraction took 1056.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 79.4MB in the beginning and 135.1MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:18:59,407 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 192.9MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:18:59,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.22ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 107.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 104.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 103.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 560.11ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 80.4MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1056.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 79.4MB in the beginning and 135.1MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 192.9MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 32; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 4; [L28] unsigned char var_1_7 = 16; [L29] unsigned char var_1_8 = 10; [L75] isInitial = 1 [L76] FCALL initially() [L77] COND TRUE 1 [L78] FCALL updateLastVariables() [L79] CALL updateVariables() [L44] var_1_2 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=128, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=128, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L46] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_3=128, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=128, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L47] var_1_3 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L49] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=32, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L50] var_1_4 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L52] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L53] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=0, var_1_6=4, var_1_7=16, var_1_8=10] [L54] var_1_5 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=4, var_1_7=16, var_1_8=10] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=4, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=4, var_1_7=16, var_1_8=10] [L57] var_1_6 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=16, var_1_8=10] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=16, var_1_8=10] [L60] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=16, var_1_8=10] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=16, var_1_8=10] [L61] var_1_7 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_8=10] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_8=10] [L63] CALL assume_abort_if_not(var_1_7 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=10] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_7 <= 32) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=10] [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=2] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=2] [L79] RET updateVariables() [L80] CALL step() [L33] EXPR (var_1_5 / var_1_6) >> var_1_7 [L33] COND FALSE !((var_1_3 / var_1_4) >= ((var_1_5 / var_1_6) >> var_1_7)) [L36] COND FALSE !(\read(var_1_2)) [L39] var_1_1 = var_1_8 [L80] RET step() [L81] CALL, EXPR property() [L71] EXPR (var_1_5 / var_1_6) >> var_1_7 [L71-L72] return ((var_1_3 / var_1_4) >= ((var_1_5 / var_1_6) >> var_1_7)) ? (var_1_1 == ((unsigned char) ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) : (var_1_2 ? (var_1_1 == ((unsigned char) var_1_8)) : (var_1_1 == ((unsigned char) var_1_8))) ; [L81] RET, EXPR property() [L81] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=-510, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 16, 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=32occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 07:18:59,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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_69ef7af9-5667-48b9-a00c-7477001f2a38/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 7e3b862ba9a2a4c1c92e3db12119deeccd82c1339b8fd16f8352680fc1302c9d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:19:02,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:19:02,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:19:02,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:19:02,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:19:02,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:19:02,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:19:02,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:19:02,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:19:02,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:19:02,325 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:19:02,326 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:19:02,326 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:19:02,328 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:19:02,328 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:19:02,329 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:19:02,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:19:02,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:19:02,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:19:02,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:19:02,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:19:02,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:19:02,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:19:02,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:19:02,336 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:19:02,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:19:02,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:19:02,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:19:02,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:19:02,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:19:02,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:19:02,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:19:02,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:19:02,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:19:02,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:19:02,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:02,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:19:02,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:19:02,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:19:02,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:19:02,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:19:02,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:19:02,342 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:19:02,342 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_69ef7af9-5667-48b9-a00c-7477001f2a38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3b862ba9a2a4c1c92e3db12119deeccd82c1339b8fd16f8352680fc1302c9d [2024-11-09 07:19:02,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:19:02,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:19:02,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:19:02,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:19:02,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:19:02,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i Unable to find full path for "g++" [2024-11-09 07:19:05,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:19:05,387 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:19:05,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i [2024-11-09 07:19:05,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data/748399a46/501282ea26304438851b4e37e66c85a1/FLAG4af6e0667 [2024-11-09 07:19:05,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/data/748399a46/501282ea26304438851b4e37e66c85a1 [2024-11-09 07:19:05,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:19:05,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:19:05,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:05,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:19:05,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:19:05,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:05,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301afa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05, skipping insertion in model container [2024-11-09 07:19:05,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:05,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:19:05,741 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_69ef7af9-5667-48b9-a00c-7477001f2a38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i[915,928] [2024-11-09 07:19:05,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:05,818 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:19:05,869 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_69ef7af9-5667-48b9-a00c-7477001f2a38/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-29.i[915,928] [2024-11-09 07:19:05,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:19:05,962 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:19:05,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05 WrapperNode [2024-11-09 07:19:05,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:19:05,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:05,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:19:05,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:19:05,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:05,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,018 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-11-09 07:19:06,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:19:06,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:19:06,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:19:06,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:19:06,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:19:06,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:19:06,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:19:06,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:19:06,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (1/1) ... [2024-11-09 07:19:06,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:19:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:06,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:19:06,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:19:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:19:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:19:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:19:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:19:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:19:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:19:06,251 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:19:06,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:19:06,598 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 07:19:06,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:19:06,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:19:06,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:19:06,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:06 BoogieIcfgContainer [2024-11-09 07:19:06,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:19:06,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:19:06,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:19:06,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:19:06,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:19:05" (1/3) ... [2024-11-09 07:19:06,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502cf35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:06, skipping insertion in model container [2024-11-09 07:19:06,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:19:05" (2/3) ... [2024-11-09 07:19:06,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502cf35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:19:06, skipping insertion in model container [2024-11-09 07:19:06,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:06" (3/3) ... [2024-11-09 07:19:06,634 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-29.i [2024-11-09 07:19:06,659 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:19:06,659 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:19:06,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:19:06,735 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;@c915531, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:19:06,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:19:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 07:19:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 07:19:06,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:06,753 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:06,754 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:06,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:06,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2068227781, now seen corresponding path program 1 times [2024-11-09 07:19:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:19:06,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026524779] [2024-11-09 07:19:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:06,777 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 07:19:06,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:19:06,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:06,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:06,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:19:07,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-09 07:19:07,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:19:07,048 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:19:07,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026524779] [2024-11-09 07:19:07,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026524779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:07,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:07,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:19:07,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917721598] [2024-11-09 07:19:07,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:07,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:19:07,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:19:07,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:19:07,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:19:07,086 INFO L87 Difference]: Start difference. First operand has 44 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 07:19:07,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:07,113 INFO L93 Difference]: Finished difference Result 81 states and 138 transitions. [2024-11-09 07:19:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:19:07,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 97 [2024-11-09 07:19:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:07,123 INFO L225 Difference]: With dead ends: 81 [2024-11-09 07:19:07,123 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 07:19:07,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 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 07:19:07,130 INFO L432 NwaCegarLoop]: 57 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, 57 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 07:19:07,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:19:07,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 07:19:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 07:19:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 07:19:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2024-11-09 07:19:07,176 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 57 transitions. Word has length 97 [2024-11-09 07:19:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:07,177 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 57 transitions. [2024-11-09 07:19:07,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 07:19:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-09 07:19:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 07:19:07,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:07,182 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:07,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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)] Forceful destruction successful, exit code 0 [2024-11-09 07:19:07,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:07,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:07,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:07,384 INFO L85 PathProgramCache]: Analyzing trace with hash 237547205, now seen corresponding path program 1 times [2024-11-09 07:19:07,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:19:07,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462050158] [2024-11-09 07:19:07,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:07,386 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 07:19:07,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:19:07,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:07,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:07,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:19:07,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 07:19:10,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:19:10,254 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:19:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462050158] [2024-11-09 07:19:10,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462050158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:19:10,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771018018] [2024-11-09 07:19:10,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:10,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:19:10,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:19:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:19:10,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:19:10,263 INFO L87 Difference]: Start difference. First operand 40 states and 57 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 07:19:12,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:12,040 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2024-11-09 07:19:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:19:12,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 97 [2024-11-09 07:19:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:12,052 INFO L225 Difference]: With dead ends: 55 [2024-11-09 07:19:12,052 INFO L226 Difference]: Without dead ends: 53 [2024-11-09 07:19:12,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:19:12,056 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 13 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:12,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 221 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 07:19:12,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-09 07:19:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-11-09 07:19:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.096774193548387) internal successors, (34), 32 states have internal predecessors, (34), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 07:19:12,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2024-11-09 07:19:12,090 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 70 transitions. Word has length 97 [2024-11-09 07:19:12,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:12,091 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-11-09 07:19:12,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 07:19:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2024-11-09 07:19:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 07:19:12,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:12,100 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:12,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:12,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:12,301 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:12,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:12,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1170622447, now seen corresponding path program 1 times [2024-11-09 07:19:12,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:19:12,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726966394] [2024-11-09 07:19:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:12,308 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 07:19:12,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:19:12,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:12,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:12,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 07:19:12,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 07:19:14,935 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:19:14,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:19:14,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726966394] [2024-11-09 07:19:14,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726966394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:14,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:14,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 07:19:14,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560911886] [2024-11-09 07:19:14,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:14,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 07:19:14,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:19:14,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 07:19:14,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:19:14,942 INFO L87 Difference]: Start difference. First operand 52 states and 70 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 07:19:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:16,500 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2024-11-09 07:19:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:19:16,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 98 [2024-11-09 07:19:16,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:16,509 INFO L225 Difference]: With dead ends: 61 [2024-11-09 07:19:16,509 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:19:16,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:19:16,512 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 23 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:16,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 224 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 07:19:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:19:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:19:16,515 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 07:19:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:19:16,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2024-11-09 07:19:16,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:16,516 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:19:16,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 07:19:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:19:16,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:19:16,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:19:16,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:16,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/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 07:19:16,727 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 07:19:16,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:19:17,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:19:17,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:19:17 BoogieIcfgContainer [2024-11-09 07:19:17,263 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:19:17,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:19:17,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:19:17,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:19:17,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:19:06" (3/4) ... [2024-11-09 07:19:17,273 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:19:17,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 07:19:17,288 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 07:19:17,290 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 07:19:17,291 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 07:19:17,291 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:19:17,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:19:17,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 07:19:17,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:19:17,409 INFO L158 Benchmark]: Toolchain (without parser) took 11974.78ms. Allocated memory was 73.4MB in the beginning and 134.2MB in the end (delta: 60.8MB). Free memory was 49.0MB in the beginning and 69.5MB in the end (delta: -20.6MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:17,410 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:17,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.10ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 69.6MB in the end (delta: -20.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-09 07:19:17,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.89ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 68.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:17,413 INFO L158 Benchmark]: Boogie Preprocessor took 37.82ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 66.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:19:17,413 INFO L158 Benchmark]: RCFGBuilder took 564.73ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 52.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:19:17,414 INFO L158 Benchmark]: TraceAbstraction took 10637.84ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 52.5MB in the beginning and 74.8MB in the end (delta: -22.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-09 07:19:17,415 INFO L158 Benchmark]: Witness Printer took 144.28ms. Allocated memory is still 134.2MB. Free memory was 74.8MB in the beginning and 69.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:17,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.10ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 69.6MB in the end (delta: -20.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.89ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 68.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.82ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 66.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.73ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 52.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10637.84ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 52.5MB in the beginning and 74.8MB in the end (delta: -22.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 144.28ms. Allocated memory is still 134.2MB. Free memory was 74.8MB in the beginning and 69.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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 - 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, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 502 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 315 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 187 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=2, InterpolantAutomatonStates: 13, 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, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 14 NumberOfNonLiveVariables, 460 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1440/1440 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((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_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) RESULT: Ultimate proved your program to be correct! [2024-11-09 07:19:17,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef7af9-5667-48b9-a00c-7477001f2a38/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE