./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ --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 7f4008cf19548475d4a1b90b2fc9651e21c073e156065e130bea6b81023185c5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:07,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:07,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:17:07,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:07,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:07,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:07,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:07,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:07,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:07,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:07,317 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:07,318 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:07,319 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:07,321 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:17:07,321 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:07,321 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:07,322 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:17:07,322 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:17:07,323 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:07,323 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:17:07,324 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:17:07,324 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:17:07,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:07,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:07,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:17:07,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:17:07,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:17:07,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:07,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:07,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:07,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:07,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:17:07,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:07,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:07,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:07,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:07,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:07,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:07,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:07,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:07,333 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:17:07,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:17:07,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:07,335 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:07,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:07,336 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_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f4008cf19548475d4a1b90b2fc9651e21c073e156065e130bea6b81023185c5 [2023-11-19 04:17:07,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:07,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:07,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:07,678 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:07,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:07,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2023-11-19 04:17:10,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:11,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:11,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2023-11-19 04:17:11,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/data/619d34ffc/dcff473cfb0b48f9a50b40e56b32fe47/FLAGb139e2c47 [2023-11-19 04:17:11,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/data/619d34ffc/dcff473cfb0b48f9a50b40e56b32fe47 [2023-11-19 04:17:11,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:11,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:11,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:11,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:11,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:11,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c45d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11, skipping insertion in model container [2023-11-19 04:17:11,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:17:11,628 WARN L240 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_c1172517-409f-4f3b-a31c-07ef82f6e8aa/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c[12020,12033] [2023-11-19 04:17:11,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:11,656 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:17:11,753 WARN L240 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_c1172517-409f-4f3b-a31c-07ef82f6e8aa/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c[12020,12033] [2023-11-19 04:17:11,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:11,771 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:17:11,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11 WrapperNode [2023-11-19 04:17:11,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:11,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:11,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:17:11,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:17:11,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,837 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 404 [2023-11-19 04:17:11,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:11,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:17:11,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:17:11,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:17:11,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:17:11,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:17:11,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:17:11,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:17:11,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:11,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:11,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:17:11,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:17:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:17:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2023-11-19 04:17:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2023-11-19 04:17:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-19 04:17:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-19 04:17:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2023-11-19 04:17:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2023-11-19 04:17:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2023-11-19 04:17:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2023-11-19 04:17:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2023-11-19 04:17:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2023-11-19 04:17:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:17:12,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:17:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:17:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:17:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:17:12,122 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:17:12,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:17:12,777 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:17:12,937 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:17:12,937 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:17:12,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:12 BoogieIcfgContainer [2023-11-19 04:17:12,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:17:12,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:17:12,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:17:12,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:17:12,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:17:11" (1/3) ... [2023-11-19 04:17:12,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ada4eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:12, skipping insertion in model container [2023-11-19 04:17:12,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (2/3) ... [2023-11-19 04:17:12,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ada4eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:12, skipping insertion in model container [2023-11-19 04:17:12,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:12" (3/3) ... [2023-11-19 04:17:12,953 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2023-11-19 04:17:12,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:17:12,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:17:13,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:17:13,035 INFO L357 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, mHoare=true, 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;@12f68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:17:13,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:17:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-19 04:17:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:17:13,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:13,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:13,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:13,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:13,088 INFO L85 PathProgramCache]: Analyzing trace with hash -659636798, now seen corresponding path program 1 times [2023-11-19 04:17:13,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:13,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245508201] [2023-11-19 04:17:13,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:13,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:13,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245508201] [2023-11-19 04:17:13,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245508201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:13,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:13,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:17:13,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925351072] [2023-11-19 04:17:13,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:13,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:17:13,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:13,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:17:13,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:17:13,485 INFO L87 Difference]: Start difference. First operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:17:13,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:13,753 INFO L93 Difference]: Finished difference Result 291 states and 484 transitions. [2023-11-19 04:17:13,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:17:13,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-19 04:17:13,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:13,770 INFO L225 Difference]: With dead ends: 291 [2023-11-19 04:17:13,770 INFO L226 Difference]: Without dead ends: 149 [2023-11-19 04:17:13,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:13,780 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 6 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:13,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 585 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:17:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-19 04:17:13,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2023-11-19 04:17:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.4607843137254901) internal successors, (149), 106 states have internal predecessors, (149), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-19 04:17:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 223 transitions. [2023-11-19 04:17:13,854 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 223 transitions. Word has length 14 [2023-11-19 04:17:13,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:13,855 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 223 transitions. [2023-11-19 04:17:13,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:17:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2023-11-19 04:17:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:17:13,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:13,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:13,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:17:13,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:13,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:13,860 INFO L85 PathProgramCache]: Analyzing trace with hash -927772900, now seen corresponding path program 1 times [2023-11-19 04:17:13,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:13,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223360800] [2023-11-19 04:17:13,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:13,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:13,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:13,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223360800] [2023-11-19 04:17:13,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223360800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:13,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:13,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:17:13,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57830643] [2023-11-19 04:17:13,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:13,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:17:13,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:13,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:17:13,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:17:13,943 INFO L87 Difference]: Start difference. First operand 147 states and 223 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:17:14,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:14,071 INFO L93 Difference]: Finished difference Result 306 states and 468 transitions. [2023-11-19 04:17:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:17:14,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 04:17:14,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:14,075 INFO L225 Difference]: With dead ends: 306 [2023-11-19 04:17:14,076 INFO L226 Difference]: Without dead ends: 161 [2023-11-19 04:17:14,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:14,079 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 22 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:14,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 595 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:17:14,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-19 04:17:14,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2023-11-19 04:17:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 116 states have internal predecessors, (162), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 04:17:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2023-11-19 04:17:14,104 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 15 [2023-11-19 04:17:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:14,105 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2023-11-19 04:17:14,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:17:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2023-11-19 04:17:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:17:14,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:14,107 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:14,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:17:14,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:14,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1120578843, now seen corresponding path program 1 times [2023-11-19 04:17:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230354184] [2023-11-19 04:17:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:14,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:14,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230354184] [2023-11-19 04:17:14,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230354184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:14,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:14,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658877162] [2023-11-19 04:17:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:14,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:14,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:14,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:14,211 INFO L87 Difference]: Start difference. First operand 159 states and 238 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:17:14,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:14,297 INFO L93 Difference]: Finished difference Result 338 states and 514 transitions. [2023-11-19 04:17:14,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:14,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-19 04:17:14,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:14,306 INFO L225 Difference]: With dead ends: 338 [2023-11-19 04:17:14,312 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 04:17:14,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:14,318 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 22 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:14,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 403 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:17:14,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 04:17:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2023-11-19 04:17:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 118 states have internal predecessors, (164), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 04:17:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 240 transitions. [2023-11-19 04:17:14,363 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 240 transitions. Word has length 22 [2023-11-19 04:17:14,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:14,364 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 240 transitions. [2023-11-19 04:17:14,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:17:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2023-11-19 04:17:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:17:14,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:14,369 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:14,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:17:14,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:14,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:14,372 INFO L85 PathProgramCache]: Analyzing trace with hash 457752641, now seen corresponding path program 1 times [2023-11-19 04:17:14,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:14,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284459520] [2023-11-19 04:17:14,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:14,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:14,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:14,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284459520] [2023-11-19 04:17:14,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284459520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:14,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:14,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:17:14,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876726215] [2023-11-19 04:17:14,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:14,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:17:14,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:14,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:17:14,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:14,465 INFO L87 Difference]: Start difference. First operand 161 states and 240 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:17:14,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:14,591 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2023-11-19 04:17:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:17:14,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-19 04:17:14,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:14,596 INFO L225 Difference]: With dead ends: 315 [2023-11-19 04:17:14,596 INFO L226 Difference]: Without dead ends: 168 [2023-11-19 04:17:14,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:14,609 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:14,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 801 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:17:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-19 04:17:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2023-11-19 04:17:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 121 states have internal predecessors, (167), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2023-11-19 04:17:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 244 transitions. [2023-11-19 04:17:14,639 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 244 transitions. Word has length 30 [2023-11-19 04:17:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:14,640 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 244 transitions. [2023-11-19 04:17:14,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 04:17:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2023-11-19 04:17:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:17:14,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:14,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:14,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:17:14,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:14,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2015852433, now seen corresponding path program 1 times [2023-11-19 04:17:14,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:14,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031748525] [2023-11-19 04:17:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:14,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:14,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:14,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031748525] [2023-11-19 04:17:14,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031748525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:14,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:14,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:17:14,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149373321] [2023-11-19 04:17:14,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:14,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:17:14,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:14,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:17:14,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:14,742 INFO L87 Difference]: Start difference. First operand 165 states and 244 transitions. Second operand has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 04:17:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:14,858 INFO L93 Difference]: Finished difference Result 279 states and 415 transitions. [2023-11-19 04:17:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:17:14,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-19 04:17:14,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:14,861 INFO L225 Difference]: With dead ends: 279 [2023-11-19 04:17:14,861 INFO L226 Difference]: Without dead ends: 161 [2023-11-19 04:17:14,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:17:14,864 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 81 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:14,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 687 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:17:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-19 04:17:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2023-11-19 04:17:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4035087719298245) internal successors, (160), 118 states have internal predecessors, (160), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 04:17:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 236 transitions. [2023-11-19 04:17:14,891 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 236 transitions. Word has length 31 [2023-11-19 04:17:14,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:14,891 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 236 transitions. [2023-11-19 04:17:14,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 04:17:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 236 transitions. [2023-11-19 04:17:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:17:14,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:14,893 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:14,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:17:14,894 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:14,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:14,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1334829214, now seen corresponding path program 1 times [2023-11-19 04:17:14,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:14,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482331119] [2023-11-19 04:17:14,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:14,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:14,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:14,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482331119] [2023-11-19 04:17:14,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482331119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:17:14,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750057951] [2023-11-19 04:17:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:14,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:17:14,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:14,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:17:14,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:17:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:15,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:17:15,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:17:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:15,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:17:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:15,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750057951] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:17:15,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1250602787] [2023-11-19 04:17:15,250 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-19 04:17:15,251 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:17:15,255 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:17:15,261 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:17:15,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:17:16,304 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-19 04:17:19,312 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 56 for LOIs [2023-11-19 04:17:19,346 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:17:22,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1250602787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:22,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:17:22,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2023-11-19 04:17:22,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745982848] [2023-11-19 04:17:22,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:22,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 04:17:22,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:22,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 04:17:22,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-19 04:17:22,411 INFO L87 Difference]: Start difference. First operand 161 states and 236 transitions. Second operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:17:26,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:26,024 INFO L93 Difference]: Finished difference Result 339 states and 495 transitions. [2023-11-19 04:17:26,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 04:17:26,028 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-19 04:17:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:26,030 INFO L225 Difference]: With dead ends: 339 [2023-11-19 04:17:26,030 INFO L226 Difference]: Without dead ends: 181 [2023-11-19 04:17:26,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2023-11-19 04:17:26,033 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 62 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:26,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1147 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 04:17:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-19 04:17:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 176. [2023-11-19 04:17:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 126 states have (on average 1.380952380952381) internal successors, (174), 130 states have internal predecessors, (174), 39 states have call successors, (39), 10 states have call predecessors, (39), 10 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-19 04:17:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 252 transitions. [2023-11-19 04:17:26,058 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 252 transitions. Word has length 32 [2023-11-19 04:17:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:26,059 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 252 transitions. [2023-11-19 04:17:26,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 12 states have internal predecessors, (23), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:17:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 252 transitions. [2023-11-19 04:17:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:17:26,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:26,061 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:26,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:17:26,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 04:17:26,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:26,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:26,283 INFO L85 PathProgramCache]: Analyzing trace with hash -115845873, now seen corresponding path program 1 times [2023-11-19 04:17:26,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:26,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014392401] [2023-11-19 04:17:26,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:26,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:26,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014392401] [2023-11-19 04:17:26,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014392401] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:17:26,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136959648] [2023-11-19 04:17:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:17:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:26,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:17:26,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:17:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:26,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:17:26,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:17:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:26,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:17:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:17:26,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136959648] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:17:26,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [435632141] [2023-11-19 04:17:26,545 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-19 04:17:26,545 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:17:26,546 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:17:26,546 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:17:26,546 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:17:27,016 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-19 04:17:29,281 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 59 for LOIs [2023-11-19 04:17:29,412 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:17:32,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [435632141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:32,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:17:32,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [4, 4, 4] total 22 [2023-11-19 04:17:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940290706] [2023-11-19 04:17:32,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:32,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-19 04:17:32,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:32,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 04:17:32,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2023-11-19 04:17:32,350 INFO L87 Difference]: Start difference. First operand 176 states and 252 transitions. Second operand has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:17:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:35,907 INFO L93 Difference]: Finished difference Result 343 states and 497 transitions. [2023-11-19 04:17:35,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-19 04:17:35,908 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2023-11-19 04:17:35,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:35,910 INFO L225 Difference]: With dead ends: 343 [2023-11-19 04:17:35,910 INFO L226 Difference]: Without dead ends: 186 [2023-11-19 04:17:35,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2023-11-19 04:17:35,913 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 45 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:35,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1390 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 04:17:35,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-19 04:17:35,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 181. [2023-11-19 04:17:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 130 states have (on average 1.3692307692307693) internal successors, (178), 134 states have internal predecessors, (178), 39 states have call successors, (39), 11 states have call predecessors, (39), 11 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-19 04:17:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 256 transitions. [2023-11-19 04:17:35,939 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 256 transitions. Word has length 32 [2023-11-19 04:17:35,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:35,940 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 256 transitions. [2023-11-19 04:17:35,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:17:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 256 transitions. [2023-11-19 04:17:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:17:35,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:35,941 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:35,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:17:36,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:17:36,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:36,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2006197686, now seen corresponding path program 1 times [2023-11-19 04:17:36,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:36,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024792455] [2023-11-19 04:17:36,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:17:36,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:36,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024792455] [2023-11-19 04:17:36,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024792455] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:17:36,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594701941] [2023-11-19 04:17:36,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:36,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:17:36,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:36,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:17:36,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 04:17:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:36,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:17:36,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:17:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:17:36,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:17:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:17:36,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594701941] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:17:36,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [507920500] [2023-11-19 04:17:36,424 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-11-19 04:17:36,424 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:17:36,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:17:36,425 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:17:36,425 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:17:37,025 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 88 for LOIs [2023-11-19 04:17:38,519 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 59 for LOIs [2023-11-19 04:17:38,742 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:17:42,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [507920500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:42,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:17:42,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [4, 4, 4] total 24 [2023-11-19 04:17:42,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070746345] [2023-11-19 04:17:42,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:42,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-19 04:17:42,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:42,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 04:17:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2023-11-19 04:17:42,605 INFO L87 Difference]: Start difference. First operand 181 states and 256 transitions. Second operand has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:17:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:45,975 INFO L93 Difference]: Finished difference Result 186 states and 262 transitions. [2023-11-19 04:17:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 04:17:45,976 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2023-11-19 04:17:45,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:45,977 INFO L225 Difference]: With dead ends: 186 [2023-11-19 04:17:45,977 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:17:45,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2023-11-19 04:17:45,997 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 35 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:45,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 76 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 04:17:45,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:17:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:17:45,999 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) [2023-11-19 04:17:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:17:45,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2023-11-19 04:17:45,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:45,999 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:17:46,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 04:17:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:17:46,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:17:46,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:17:46,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:17:46,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:17:46,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:17:50,364 INFO L902 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2023-11-19 04:17:50,364 INFO L899 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2023-11-19 04:17:50,365 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 104 123) no Hoare annotation was computed. [2023-11-19 04:17:50,365 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 120) no Hoare annotation was computed. [2023-11-19 04:17:50,365 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 123) the Hoare annotation is: true [2023-11-19 04:17:50,365 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 104 123) no Hoare annotation was computed. [2023-11-19 04:17:50,365 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (< (+ ~votedValue_History_0~0 128) 0)) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (= ~g1v_new~0 0))) (.cse4 (< (+ ~votedValue_History_1~0 128) 0)) (.cse5 (not (= ~g2v~0 0))) (.cse6 (< 127 ~VALUE2~0)) (.cse7 (not (= ~g2v_new~0 0))) (.cse8 (not (= ~g1v_old~0 0))) (.cse9 (< (+ ~VALUE3~0 128) 0)) (.cse10 (< (+ ~VALUE1~0 128) 0)) (.cse11 (not (= ~g3v~0 0))) (.cse12 (< 127 ~VALUE1~0)) (.cse13 (< 127 ~VALUE3~0)) (.cse14 (not (= ~g2v_old~0 0))) (.cse15 (not (= (+ ~nomsg~0 1) 0))) (.cse16 (< |#StackHeapBarrier| 1)) (.cse17 (< 127 ~votedValue_History_0~0)) (.cse18 (< (+ ~VALUE2~0 128) 0)) (.cse19 (< (+ ~votedValue_History_2~0 128) 0)) (.cse20 (not (= ~g1v~0 0))) (.cse21 (< 127 ~votedValue_History_2~0)) (.cse22 (< 127 ~votedValue_History_1~0)) (.cse23 (not (= |read_history_bool_#in~historyIndex| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (not (= |read_history_bool_#in~history_id| 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= 0 |read_history_bool_#in~history_id|)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) [2023-11-19 04:17:50,365 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2023-11-19 04:17:50,365 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 160) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 124 163) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 160) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 124 163) the Hoare annotation is: true [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 124 163) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 160) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 530 541) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 541) the Hoare annotation is: true [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 537) no Hoare annotation was computed. [2023-11-19 04:17:50,366 INFO L899 garLoopResultBuilder]: For program point L535-2(lines 530 541) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 472) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 301) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 294) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 300) no Hoare annotation was computed. [2023-11-19 04:17:50,367 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 288) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 322) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: false [2023-11-19 04:17:50,368 INFO L895 garLoopResultBuilder]: At program point L304-1(lines 304 322) the Hoare annotation is: false [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2023-11-19 04:17:50,368 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i2~0#1| 0) (= |ULTIMATE.start_init_#res#1| 0)) [2023-11-19 04:17:50,368 INFO L899 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: false [2023-11-19 04:17:50,369 INFO L899 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L895 garLoopResultBuilder]: At program point L272-2(lines 272 274) the Hoare annotation is: false [2023-11-19 04:17:50,369 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 472) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L895 garLoopResultBuilder]: At program point L471(line 471) the Hoare annotation is: false [2023-11-19 04:17:50,369 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 444 472) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: false [2023-11-19 04:17:50,369 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 164 178) no Hoare annotation was computed. [2023-11-19 04:17:50,369 INFO L895 garLoopResultBuilder]: At program point L422-2(lines 416 426) the Hoare annotation is: false [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: false [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: false [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 335) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 335) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L895 garLoopResultBuilder]: At program point L258-2(lines 252 262) the Hoare annotation is: false [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 320) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2023-11-19 04:17:50,370 INFO L895 garLoopResultBuilder]: At program point L391-2(lines 385 395) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L895 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L899 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2023-11-19 04:17:50,371 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2023-11-19 04:17:50,371 INFO L895 garLoopResultBuilder]: At program point L276-2(lines 276 278) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L895 garLoopResultBuilder]: At program point L524-1(lines 511 526) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2023-11-19 04:17:50,371 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: false [2023-11-19 04:17:50,371 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 407 430) no Hoare annotation was computed. [2023-11-19 04:17:50,371 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2023-11-19 04:17:50,372 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:17:50,372 INFO L895 garLoopResultBuilder]: At program point L327(line 327) the Hoare annotation is: false [2023-11-19 04:17:50,372 INFO L895 garLoopResultBuilder]: At program point L360-2(lines 354 364) the Hoare annotation is: false [2023-11-19 04:17:50,372 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2023-11-19 04:17:50,372 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: false [2023-11-19 04:17:50,374 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2023-11-19 04:17:50,374 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (= (select |#length| 2) 50) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (= ~g2v_new~0 0))) [2023-11-19 04:17:50,374 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-11-19 04:17:50,374 INFO L899 garLoopResultBuilder]: For program point L427(line 427) no Hoare annotation was computed. [2023-11-19 04:17:50,375 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 333) no Hoare annotation was computed. [2023-11-19 04:17:50,375 INFO L899 garLoopResultBuilder]: For program point gate1_each_pals_period_returnLabel#1(lines 339 369) no Hoare annotation was computed. [2023-11-19 04:17:50,375 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 472) no Hoare annotation was computed. [2023-11-19 04:17:50,375 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: false [2023-11-19 04:17:50,375 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 376 399) no Hoare annotation was computed. [2023-11-19 04:17:50,375 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 314) no Hoare annotation was computed. [2023-11-19 04:17:50,375 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2023-11-19 04:17:50,376 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 215) no Hoare annotation was computed. [2023-11-19 04:17:50,376 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: false [2023-11-19 04:17:50,376 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2023-11-19 04:17:50,376 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2023-11-19 04:17:50,376 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 269 300) no Hoare annotation was computed. [2023-11-19 04:17:50,376 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 472) no Hoare annotation was computed. [2023-11-19 04:17:50,376 INFO L899 garLoopResultBuilder]: For program point L396(line 396) no Hoare annotation was computed. [2023-11-19 04:17:50,377 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 332) no Hoare annotation was computed. [2023-11-19 04:17:50,377 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2023-11-19 04:17:50,377 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: false [2023-11-19 04:17:50,377 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 345 368) no Hoare annotation was computed. [2023-11-19 04:17:50,377 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 231 338) no Hoare annotation was computed. [2023-11-19 04:17:50,377 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 302) no Hoare annotation was computed. [2023-11-19 04:17:50,377 INFO L899 garLoopResultBuilder]: For program point $Ultimate##111(lines 297 299) no Hoare annotation was computed. [2023-11-19 04:17:50,378 INFO L895 garLoopResultBuilder]: At program point L265-1(lines 265 302) the Hoare annotation is: false [2023-11-19 04:17:50,378 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 472) no Hoare annotation was computed. [2023-11-19 04:17:50,378 INFO L899 garLoopResultBuilder]: For program point gate3_each_pals_period_returnLabel#1(lines 401 431) no Hoare annotation was computed. [2023-11-19 04:17:50,378 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= (select |#length| 3) 12) (= (select |#length| 2) 50) (<= 1 |#StackHeapBarrier|) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= |ULTIMATE.start_init_~tmp~1#1| 1) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (= ~g2v_new~0 0))) [2023-11-19 04:17:50,378 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2023-11-19 04:17:50,378 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 204 230) no Hoare annotation was computed. [2023-11-19 04:17:50,379 INFO L899 garLoopResultBuilder]: For program point gate2_each_pals_period_returnLabel#1(lines 370 400) no Hoare annotation was computed. [2023-11-19 04:17:50,379 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2023-11-19 04:17:50,379 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2023-11-19 04:17:50,379 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2023-11-19 04:17:50,379 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2023-11-19 04:17:50,379 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 75 98) no Hoare annotation was computed. [2023-11-19 04:17:50,380 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2023-11-19 04:17:50,380 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 98) no Hoare annotation was computed. [2023-11-19 04:17:50,380 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2023-11-19 04:17:50,380 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#length| 2) 50)) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)))) [2023-11-19 04:17:50,380 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-11-19 04:17:50,381 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse10 (not (= |add_history_type_#in~history_id| 0))) (.cse11 (select |#memory_int| 1))) (let ((.cse0 (not (= (select .cse11 0) 48))) (.cse1 (not (= 2 (select |#length| 1)))) (.cse2 (not (= (select |#length| 2) 50))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse12 (< (+ ~votedValue_History_0~0 128) 0)) (.cse13 (not (= ~g3v_old~0 0))) (.cse14 (not (= ~g3v_new~0 0))) (.cse15 (not (= ~g1v_new~0 0))) (.cse16 (< (+ ~votedValue_History_1~0 128) 0)) (.cse17 (not (= ~g2v~0 0))) (.cse18 (< 127 ~VALUE2~0)) (.cse19 (not (= ~g2v_new~0 0))) (.cse20 (not (= ~g1v_old~0 0))) (.cse21 (< (+ ~VALUE3~0 128) 0)) (.cse22 (< (+ ~VALUE1~0 128) 0)) (.cse23 (not (= ~g3v~0 0))) (.cse24 (< 127 ~VALUE1~0)) (.cse25 (< 127 ~VALUE3~0)) (.cse26 (not (= ~g2v_old~0 0))) (.cse27 (not (= (+ ~nomsg~0 1) 0))) (.cse28 (< |#StackHeapBarrier| 1)) (.cse29 (< 127 ~votedValue_History_0~0)) (.cse30 (< (+ ~VALUE2~0 128) 0)) (.cse31 (< (+ ~votedValue_History_2~0 128) 0)) (.cse32 (not (= ~g1v~0 0))) (.cse33 (< 127 ~votedValue_History_2~0)) (.cse34 (< 127 ~votedValue_History_1~0))) (and (or .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (not (= |add_history_type_#in~history_id| 1)) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) (or .cse12 .cse13 .cse14 .cse15 .cse10 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse11 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse9 (not (= (select |#valid| 2) 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (<= 0 add_history_type_~var~0) (<= add_history_type_~var~0 2) (= add_history_type_~ini_bool~0 0) (not (= add_history_type_~history_id 0)) (= (+ 2 add_history_type_~ini_int~0) 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)) .cse9) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2023-11-19 04:17:50,381 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-19 04:17:50,382 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 100) the Hoare annotation is: (let ((.cse10 (not (= |add_history_type_#in~history_id| 0))) (.cse12 (select |#memory_int| 1))) (let ((.cse0 (not (= (select .cse12 0) 48))) (.cse1 (not (= 2 (select |#length| 1)))) (.cse2 (not (= (select |#length| 2) 50))) (.cse3 (not (= (select |#valid| 3) 1))) (.cse4 (let ((.cse13 (< (+ ~votedValue_History_0~0 128) 0)) (.cse14 (not (= ~g3v_old~0 0))) (.cse15 (not (= ~g3v_new~0 0))) (.cse16 (not (= ~g1v_new~0 0))) (.cse17 (< (+ ~votedValue_History_1~0 128) 0)) (.cse18 (not (= ~g2v~0 0))) (.cse19 (< 127 ~VALUE2~0)) (.cse20 (not (= ~g2v_new~0 0))) (.cse21 (not (= ~g1v_old~0 0))) (.cse22 (< (+ ~VALUE3~0 128) 0)) (.cse23 (< (+ ~VALUE1~0 128) 0)) (.cse24 (not (= ~g3v~0 0))) (.cse25 (< 127 ~VALUE1~0)) (.cse26 (< 127 ~VALUE3~0)) (.cse27 (not (= ~g2v_old~0 0))) (.cse28 (not (= (+ ~nomsg~0 1) 0))) (.cse29 (< |#StackHeapBarrier| 1)) (.cse30 (< 127 ~votedValue_History_0~0)) (.cse31 (< (+ ~VALUE2~0 128) 0)) (.cse32 (< (+ ~votedValue_History_2~0 128) 0)) (.cse33 (not (= ~g1v~0 0))) (.cse34 (< 127 ~votedValue_History_2~0)) (.cse35 (< 127 ~votedValue_History_1~0))) (and (or .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (not (= |add_history_type_#in~history_id| 1)) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (or .cse13 .cse14 .cse15 .cse16 .cse10 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35)))) (.cse5 (not (= (select |#length| 3) 12))) (.cse6 (not (= (select |#valid| 0) 0))) (.cse7 (not (= (select .cse12 1) 0))) (.cse8 (not (= (select |#valid| 1) 1))) (.cse9 (not (= (select |#valid| 2) 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= (+ 2 add_history_type_~ini_int~0) 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)) .cse9) (let ((.cse11 (= add_history_type_~history_id 0))) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and (= add_history_type_~tmp~0 0) .cse11) (and (= add_history_type_~var~0 0) .cse11) .cse9))))) [2023-11-19 04:17:50,382 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2023-11-19 04:17:50,382 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 98) no Hoare annotation was computed. [2023-11-19 04:17:50,382 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 85) no Hoare annotation was computed. [2023-11-19 04:17:50,382 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 60 103) no Hoare annotation was computed. [2023-11-19 04:17:50,382 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 98) no Hoare annotation was computed. [2023-11-19 04:17:50,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 60 103) the Hoare annotation is: true [2023-11-19 04:17:50,383 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#length| 2) 50)) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)))) [2023-11-19 04:17:50,383 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2023-11-19 04:17:50,383 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (and (<= 0 add_history_type_~var~0) (<= add_history_type_~var~0 2) (= add_history_type_~ini_bool~0 0) (= add_history_type_~history_id 0) (= (+ 2 add_history_type_~ini_int~0) 0)) (not (= (select .cse0 0) 48)) (not (= 2 (select |#length| 1))) (not (= (select |#length| 2) 50)) (not (= (select |#valid| 3) 1)) (let ((.cse1 (< (+ ~votedValue_History_0~0 128) 0)) (.cse2 (not (= ~g3v_old~0 0))) (.cse3 (not (= ~g3v_new~0 0))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (< (+ ~votedValue_History_1~0 128) 0)) (.cse6 (not (= ~g2v~0 0))) (.cse7 (< 127 ~VALUE2~0)) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (< (+ ~VALUE3~0 128) 0)) (.cse11 (< (+ ~VALUE1~0 128) 0)) (.cse12 (not (= ~g3v~0 0))) (.cse13 (< 127 ~VALUE1~0)) (.cse14 (< 127 ~VALUE3~0)) (.cse15 (not (= ~g2v_old~0 0))) (.cse16 (not (= (+ ~nomsg~0 1) 0))) (.cse17 (< |#StackHeapBarrier| 1)) (.cse18 (< 127 ~votedValue_History_0~0)) (.cse19 (< (+ ~VALUE2~0 128) 0)) (.cse20 (< (+ ~votedValue_History_2~0 128) 0)) (.cse21 (not (= ~g1v~0 0))) (.cse22 (< 127 ~votedValue_History_2~0)) (.cse23 (< 127 ~votedValue_History_1~0))) (and (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (not (= |add_history_type_#in~history_id| 1)) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23))) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 2) 1)))) [2023-11-19 04:17:50,384 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2023-11-19 04:17:50,384 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 60 103) no Hoare annotation was computed. [2023-11-19 04:17:50,384 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 36 38) the Hoare annotation is: true [2023-11-19 04:17:50,384 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 36 38) no Hoare annotation was computed. [2023-11-19 04:17:50,384 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 200) no Hoare annotation was computed. [2023-11-19 04:17:50,384 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 179 203) no Hoare annotation was computed. [2023-11-19 04:17:50,384 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 200) no Hoare annotation was computed. [2023-11-19 04:17:50,385 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 203) the Hoare annotation is: true [2023-11-19 04:17:50,385 INFO L902 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: true [2023-11-19 04:17:50,385 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 179 203) no Hoare annotation was computed. [2023-11-19 04:17:50,385 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2023-11-19 04:17:50,388 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:50,391 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:17:50,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 04:17:50,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:17:50,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:17:50,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-19 04:17:50,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-19 04:17:50,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:17:50,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 04:17:50,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:17:50,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:17:50,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 04:17:50,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:17:50,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:17:50,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-19 04:17:50,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-19 04:17:50,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:17:50,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 04:17:50,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:17:50,417 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:17:50,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:17:50 BoogieIcfgContainer [2023-11-19 04:17:50,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:17:50,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:17:50,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:17:50,419 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:17:50,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:12" (3/4) ... [2023-11-19 04:17:50,422 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:17:50,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2023-11-19 04:17:50,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2023-11-19 04:17:50,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-19 04:17:50,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2023-11-19 04:17:50,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:17:50,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2023-11-19 04:17:50,443 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2023-11-19 04:17:50,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 04:17:50,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:17:50,447 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:17:50,666 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:17:50,667 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:17:50,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:17:50,669 INFO L158 Benchmark]: Toolchain (without parser) took 39444.49ms. Allocated memory was 113.2MB in the beginning and 459.3MB in the end (delta: 346.0MB). Free memory was 67.9MB in the beginning and 418.3MB in the end (delta: -350.4MB). Peak memory consumption was 268.9MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,669 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 82.2MB in the beginning and 82.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:17:50,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.41ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 67.9MB in the beginning and 129.9MB in the end (delta: -61.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.97ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 127.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,671 INFO L158 Benchmark]: Boogie Preprocessor took 59.68ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,672 INFO L158 Benchmark]: RCFGBuilder took 1032.89ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 73.2MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,673 INFO L158 Benchmark]: TraceAbstraction took 37471.85ms. Allocated memory was 159.4MB in the beginning and 459.3MB in the end (delta: 299.9MB). Free memory was 72.1MB in the beginning and 158.2MB in the end (delta: -86.0MB). Peak memory consumption was 222.6MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,673 INFO L158 Benchmark]: Witness Printer took 248.76ms. Allocated memory is still 459.3MB. Free memory was 158.2MB in the beginning and 418.3MB in the end (delta: -260.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:17:50,676 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 113.2MB. Free memory was 82.2MB in the beginning and 82.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.41ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 67.9MB in the beginning and 129.9MB in the end (delta: -61.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.97ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 127.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.68ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 124.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1032.89ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 73.2MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 37471.85ms. Allocated memory was 159.4MB in the beginning and 459.3MB in the end (delta: 299.9MB). Free memory was 72.1MB in the beginning and 158.2MB in the end (delta: -86.0MB). Peak memory consumption was 222.6MB. Max. memory is 16.1GB. * Witness Printer took 248.76ms. Allocated memory is still 459.3MB. Free memory was 158.2MB in the beginning and 418.3MB in the end (delta: -260.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated * 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: 537]: 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 7 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 5684 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4300 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2266 IncrementalHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 1384 mSDtfsCounter, 2266 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 288 SyntacticMatches, 6 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=7, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 44 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 595 PreInvPairs, 607 NumberOfFragments, 2400 HoareAnnotationTreeSize, 595 FomulaSimplifications, 2519 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4419 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 469 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 79/98 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: OVERALL_TIME: 9.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 104, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 193, TOOLS_POST_TIME: 4.2s, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME: 1.4s, TOOLS_POST_RETURN_APPLICATIONS: 66, TOOLS_POST_RETURN_TIME: 1.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 336, TOOLS_QUANTIFIERELIM_TIME: 7.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 398, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME: 1.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 4.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 66, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME: 1.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1087, DAG_COMPRESSION_RETAINED_NODES: 245, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:17:50,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1172517-409f-4f3b-a31c-07ef82f6e8aa/bin/utaipan-verify-t7M7D8N6sZ/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