./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.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_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/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_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/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_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/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 eb38a6277789313b4c0c250f5b5f1ba7c2b250b2041c8bed6de57b5504d1e25c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:30:05,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:30:05,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:30:05,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:30:05,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:30:05,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:30:05,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:30:05,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:30:05,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:30:05,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:30:05,993 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:30:05,993 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:30:05,993 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:30:05,994 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:30:05,995 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:30:05,995 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:30:05,996 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:30:05,996 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:30:06,000 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:30:06,001 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:30:06,001 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:30:06,002 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:30:06,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:30:06,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:30:06,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:30:06,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:30:06,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:30:06,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:30:06,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:30:06,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:30:06,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:30:06,005 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:30:06,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:30:06,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:30:06,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:30:06,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:30:06,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:30:06,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:30:06,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:06,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:30:06,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:30:06,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:30:06,008 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:30:06,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:30:06,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:30:06,010 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:30:06,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:30:06,010 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_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb38a6277789313b4c0c250f5b5f1ba7c2b250b2041c8bed6de57b5504d1e25c [2024-11-09 04:30:06,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:30:06,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:30:06,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:30:06,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:30:06,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:30:06,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i Unable to find full path for "g++" [2024-11-09 04:30:08,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:30:08,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:30:08,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i [2024-11-09 04:30:08,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/data/4d48a4c96/7b08d60cdd034d519b0a6f1f9a0d777f/FLAG5ebaeffa6 [2024-11-09 04:30:08,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/data/4d48a4c96/7b08d60cdd034d519b0a6f1f9a0d777f [2024-11-09 04:30:08,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:30:08,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:30:08,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:08,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:30:08,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:30:08,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:08" (1/1) ... [2024-11-09 04:30:08,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e4618b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:08, skipping insertion in model container [2024-11-09 04:30:08,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:30:08" (1/1) ... [2024-11-09 04:30:08,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:30:08,896 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_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i[915,928] [2024-11-09 04:30:08,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:08,955 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:30:08,968 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_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-69.i[915,928] [2024-11-09 04:30:08,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:30:09,010 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:30:09,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09 WrapperNode [2024-11-09 04:30:09,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:30:09,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:09,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:30:09,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:30:09,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,064 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-09 04:30:09,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:30:09,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:30:09,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:30:09,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:30:09,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:30:09,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:30:09,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:30:09,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:30:09,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (1/1) ... [2024-11-09 04:30:09,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:30:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:09,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:30:09,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:30:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:30:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:30:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:30:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:30:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:30:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:30:09,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:30:09,283 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:30:09,640 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 04:30:09,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:30:09,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:30:09,830 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:30:09,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:09 BoogieIcfgContainer [2024-11-09 04:30:09,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:30:09,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:30:09,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:30:09,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:30:09,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:30:08" (1/3) ... [2024-11-09 04:30:09,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ad287d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:09, skipping insertion in model container [2024-11-09 04:30:09,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:30:09" (2/3) ... [2024-11-09 04:30:09,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ad287d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:30:09, skipping insertion in model container [2024-11-09 04:30:09,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:09" (3/3) ... [2024-11-09 04:30:09,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-69.i [2024-11-09 04:30:09,860 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:30:09,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:30:09,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:30:09,979 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;@68d24dcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:30:09,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:30:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 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 04:30:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 04:30:09,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:30:09,996 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, 1, 1, 1] [2024-11-09 04:30:09,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:30:10,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:30:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1551266593, now seen corresponding path program 1 times [2024-11-09 04:30:10,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:30:10,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163428889] [2024-11-09 04:30:10,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:10,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:30:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:30:10,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1543063055] [2024-11-09 04:30:10,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:30:10,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:30:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:30:10,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:30:10,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:30:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:30:10,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 04:30:10,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:30:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 166 proven. 24 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-09 04:30:14,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:30:45,221 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:31:18,009 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 04:34:07,219 WARN L286 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 73 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:34:18,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:34:18,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163428889] [2024-11-09 04:34:18,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 04:34:18,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543063055] [2024-11-09 04:34:18,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543063055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:34:18,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1522252052] [2024-11-09 04:34:18,664 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2024-11-09 04:34:18,664 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 04:34:18,668 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 04:34:18,675 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 04:34:18,676 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 04:34:20,982 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 38 for LOIs [2024-11-09 04:34:20,987 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 04:34:24,541 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '251#(and (<= ~var_1_10~0 32766) (<= ~var_1_17~0 32766) (<= 0 (+ 32767 ~var_1_15~0)) (<= 1 |#StackHeapBarrier|) (<= ~var_1_16~0 32766) (= |ULTIMATE.start_main_~k_loop~0#1| 0) (<= 0 ~var_1_11~0) (<= 0 (+ 32767 ~var_1_16~0)) (<= ~var_1_15~0 32766) (= ~isInitial~0 1) (<= 0 (+ ~var_1_10~0 1)) (<= 0 ~var_1_17~0) (<= ~var_1_11~0 32766))' at error location [2024-11-09 04:34:24,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 04:34:24,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:34:24,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-09 04:34:24,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483980112] [2024-11-09 04:34:24,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 04:34:24,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:34:24,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:34:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:34:24,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=985, Unknown=3, NotChecked=0, Total=1332 [2024-11-09 04:34:24,579 INFO L87 Difference]: Start difference. First operand has 36 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 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 13 states, 8 states have (on average 2.625) internal successors, (21), 11 states have internal predecessors, (21), 6 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 04:34:24,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:34:24,909 INFO L93 Difference]: Finished difference Result 80 states and 109 transitions. [2024-11-09 04:34:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 04:34:24,912 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 2.625) internal successors, (21), 11 states have internal predecessors, (21), 6 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 62 [2024-11-09 04:34:24,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:34:24,918 INFO L225 Difference]: With dead ends: 80 [2024-11-09 04:34:24,919 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:34:24,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 127.8s TimeCoverageRelationStatistics Valid=367, Invalid=1112, Unknown=3, NotChecked=0, Total=1482 [2024-11-09 04:34:24,926 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 39 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:34:24,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 65 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 04:34:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:34:24,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:34:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:34:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:34:24,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2024-11-09 04:34:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:34:24,954 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:34:24,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 2.625) internal successors, (21), 11 states have internal predecessors, (21), 6 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 04:34:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:34:24,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:34:24,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:34:24,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:34:25,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:34:25,162 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:34:25,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 04:34:25,422 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:34:25,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:34:25 BoogieIcfgContainer [2024-11-09 04:34:25,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:34:25,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:34:25,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:34:25,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:34:25,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:30:09" (3/4) ... [2024-11-09 04:34:25,456 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 04:34:25,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 04:34:25,470 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-09 04:34:25,471 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 04:34:25,471 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 04:34:25,472 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 04:34:25,605 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:34:25,606 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 04:34:25,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:34:25,607 INFO L158 Benchmark]: Toolchain (without parser) took 256960.89ms. Allocated memory was 144.7MB in the beginning and 278.9MB in the end (delta: 134.2MB). Free memory was 110.6MB in the beginning and 147.0MB in the end (delta: -36.3MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-11-09 04:34:25,607 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:34:25,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.81ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 96.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:34:25,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.32ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 93.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:34:25,608 INFO L158 Benchmark]: Boogie Preprocessor took 35.69ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:34:25,608 INFO L158 Benchmark]: RCFGBuilder took 729.15ms. Allocated memory is still 144.7MB. Free memory was 91.8MB in the beginning and 57.2MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 04:34:25,609 INFO L158 Benchmark]: TraceAbstraction took 255617.81ms. Allocated memory was 144.7MB in the beginning and 278.9MB in the end (delta: 134.2MB). Free memory was 56.7MB in the beginning and 153.3MB in the end (delta: -96.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-09 04:34:25,609 INFO L158 Benchmark]: Witness Printer took 154.31ms. Allocated memory is still 278.9MB. Free memory was 153.3MB in the beginning and 147.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 04:34:25,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.81ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 96.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.32ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 93.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.69ms. Allocated memory is still 144.7MB. Free memory was 93.4MB in the beginning and 91.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 729.15ms. Allocated memory is still 144.7MB. Free memory was 91.8MB in the beginning and 57.2MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 255617.81ms. Allocated memory was 144.7MB in the beginning and 278.9MB in the end (delta: 134.2MB). Free memory was 56.7MB in the beginning and 153.3MB in the end (delta: -96.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 154.31ms. Allocated memory is still 278.9MB. Free memory was 153.3MB in the beginning and 147.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 255.3s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 28 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 127.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 248.1s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 547 SizeOfPredicates, 10 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 216/240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((var_1_10 <= 32766) && (var_1_13 <= 0)) && (0 <= var_1_11)) && (0 <= (var_1_10 + 1))) && (var_1_11 <= 32766)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 04:34:25,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b118b25-bc4a-4f7f-8db0-ea776c9b0c2e/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