./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --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 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:01:23,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:01:23,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:01:23,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:01:23,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:01:23,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:01:23,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:01:23,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:01:23,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:01:23,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:01:23,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:01:23,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:01:23,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:01:23,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:01:23,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:01:23,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:01:23,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:01:23,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:01:23,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:01:23,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:01:23,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:01:23,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:01:23,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:01:23,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:01:23,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:01:23,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:01:23,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:01:23,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:01:23,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:01:24,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:01:24,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:01:24,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:01:24,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:01:24,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:01:24,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:01:24,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:01:24,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:01:24,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:01:24,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:01:24,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:01:24,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:01:24,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:01:24,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:01:24,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:01:24,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:01:24,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:01:24,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:01:24,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:01:24,082 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:01:24,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:01:24,082 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:01:24,082 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:01:24,084 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:01:24,084 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:01:24,084 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:01:24,084 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:01:24,085 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:01:24,085 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:01:24,085 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:01:24,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:01:24,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:01:24,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:01:24,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:01:24,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:01:24,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:01:24,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:01:24,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:01:24,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:01:24,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:01:24,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:01:24,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:01:24,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:01:24,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:01:24,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:01:24,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:24,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:01:24,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:01:24,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:01:24,091 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:01:24,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:01:24,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:01:24,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:01:24,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:01:24,093 INFO L138 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_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2021-11-25 19:01:24,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:01:24,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:01:24,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:01:24,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:01:24,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:01:24,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-11-25 19:01:24,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/data/cbe020762/451c09194012469b99dc2efc029e43eb/FLAG2e3a13c59 [2021-11-25 19:01:25,498 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:01:25,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-11-25 19:01:25,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/data/cbe020762/451c09194012469b99dc2efc029e43eb/FLAG2e3a13c59 [2021-11-25 19:01:25,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/data/cbe020762/451c09194012469b99dc2efc029e43eb [2021-11-25 19:01:25,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:01:25,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:01:25,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:25,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:01:25,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:01:25,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:25" (1/1) ... [2021-11-25 19:01:25,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a75baf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:25, skipping insertion in model container [2021-11-25 19:01:25,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:25" (1/1) ... [2021-11-25 19:01:25,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:01:26,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:01:26,956 WARN L230 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_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-11-25 19:01:26,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:26,994 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:01:27,356 WARN L230 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_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-11-25 19:01:27,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:27,380 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:01:27,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27 WrapperNode [2021-11-25 19:01:27,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:27,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:27,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:01:27,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:01:27,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,640 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2021-11-25 19:01:27,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:27,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:01:27,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:01:27,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:01:27,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:01:27,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:01:27,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:01:27,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:01:27,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (1/1) ... [2021-11-25 19:01:27,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:27,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:01:27,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:01:27,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:01:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:01:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:01:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:01:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:01:28,095 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:01:28,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:01:30,196 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:01:30,230 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:01:30,230 INFO L301 CfgBuilder]: Removed 21 assume(true) statements. [2021-11-25 19:01:30,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:30 BoogieIcfgContainer [2021-11-25 19:01:30,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:01:30,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:01:30,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:01:30,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:01:30,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:01:25" (1/3) ... [2021-11-25 19:01:30,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4a5c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:01:30, skipping insertion in model container [2021-11-25 19:01:30,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:27" (2/3) ... [2021-11-25 19:01:30,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4a5c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:01:30, skipping insertion in model container [2021-11-25 19:01:30,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:30" (3/3) ... [2021-11-25 19:01:30,247 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-11-25 19:01:30,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:01:30,257 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:01:30,334 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:01:30,342 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:01:30,344 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:01:30,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 233 states have (on average 1.9871244635193133) internal successors, (463), 234 states have internal predecessors, (463), 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) [2021-11-25 19:01:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:01:30,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:30,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:30,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:30,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1038571567, now seen corresponding path program 1 times [2021-11-25 19:01:30,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:30,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093973039] [2021-11-25 19:01:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:30,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:30,655 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:30,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093973039] [2021-11-25 19:01:30,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093973039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:30,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:30,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:01:30,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044475228] [2021-11-25 19:01:30,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:30,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:01:30,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:30,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:01:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:01:30,716 INFO L87 Difference]: Start difference. First operand has 235 states, 233 states have (on average 1.9871244635193133) internal successors, (463), 234 states have internal predecessors, (463), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-25 19:01:30,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:30,844 INFO L93 Difference]: Finished difference Result 460 states and 907 transitions. [2021-11-25 19:01:30,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:01:30,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2021-11-25 19:01:30,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:30,871 INFO L225 Difference]: With dead ends: 460 [2021-11-25 19:01:30,871 INFO L226 Difference]: Without dead ends: 223 [2021-11-25 19:01:30,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:01:30,886 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:30,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 401 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:01:30,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-11-25 19:01:30,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2021-11-25 19:01:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 222 states have (on average 1.7657657657657657) internal successors, (392), 222 states have internal predecessors, (392), 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) [2021-11-25 19:01:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 392 transitions. [2021-11-25 19:01:30,983 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 392 transitions. Word has length 8 [2021-11-25 19:01:30,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:30,984 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 392 transitions. [2021-11-25 19:01:30,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-25 19:01:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 392 transitions. [2021-11-25 19:01:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:01:30,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:30,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:30,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:01:30,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:30,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:30,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1598481019, now seen corresponding path program 1 times [2021-11-25 19:01:30,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:30,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052341738] [2021-11-25 19:01:30,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:30,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:31,102 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:31,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052341738] [2021-11-25 19:01:31,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052341738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:31,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:31,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:01:31,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271291176] [2021-11-25 19:01:31,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:31,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:31,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:31,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:31,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:31,109 INFO L87 Difference]: Start difference. First operand 223 states and 392 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-25 19:01:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:31,313 INFO L93 Difference]: Finished difference Result 448 states and 787 transitions. [2021-11-25 19:01:31,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:31,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2021-11-25 19:01:31,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:31,319 INFO L225 Difference]: With dead ends: 448 [2021-11-25 19:01:31,320 INFO L226 Difference]: Without dead ends: 226 [2021-11-25 19:01:31,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:31,331 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 4 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:31,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 712 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:01:31,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-25 19:01:31,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2021-11-25 19:01:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.7555555555555555) internal successors, (395), 225 states have internal predecessors, (395), 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) [2021-11-25 19:01:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 395 transitions. [2021-11-25 19:01:31,368 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 395 transitions. Word has length 9 [2021-11-25 19:01:31,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:31,372 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 395 transitions. [2021-11-25 19:01:31,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-25 19:01:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 395 transitions. [2021-11-25 19:01:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:01:31,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:31,376 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:31,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:01:31,376 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:31,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:31,383 INFO L85 PathProgramCache]: Analyzing trace with hash 74920244, now seen corresponding path program 1 times [2021-11-25 19:01:31,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:31,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075344419] [2021-11-25 19:01:31,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:31,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:31,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:31,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075344419] [2021-11-25 19:01:31,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075344419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:31,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:31,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:31,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911443909] [2021-11-25 19:01:31,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:31,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:31,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:31,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:31,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:31,516 INFO L87 Difference]: Start difference. First operand 226 states and 395 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-25 19:01:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:31,696 INFO L93 Difference]: Finished difference Result 456 states and 796 transitions. [2021-11-25 19:01:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:31,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2021-11-25 19:01:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:31,700 INFO L225 Difference]: With dead ends: 456 [2021-11-25 19:01:31,700 INFO L226 Difference]: Without dead ends: 232 [2021-11-25 19:01:31,701 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:31,711 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 44 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:31,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 673 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:01:31,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-25 19:01:31,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-25 19:01:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.74235807860262) internal successors, (399), 229 states have internal predecessors, (399), 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) [2021-11-25 19:01:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 399 transitions. [2021-11-25 19:01:31,740 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 399 transitions. Word has length 14 [2021-11-25 19:01:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:31,741 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 399 transitions. [2021-11-25 19:01:31,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-25 19:01:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 399 transitions. [2021-11-25 19:01:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:01:31,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:31,744 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:31,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:01:31,744 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:31,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1876823746, now seen corresponding path program 1 times [2021-11-25 19:01:31,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:31,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274986085] [2021-11-25 19:01:31,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:31,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:31,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:31,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274986085] [2021-11-25 19:01:31,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274986085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:31,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:31,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:31,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369938703] [2021-11-25 19:01:31,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:31,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:31,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:31,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:31,851 INFO L87 Difference]: Start difference. First operand 230 states and 399 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-25 19:01:32,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:32,008 INFO L93 Difference]: Finished difference Result 271 states and 455 transitions. [2021-11-25 19:01:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:32,009 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), 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) Word has length 17 [2021-11-25 19:01:32,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:32,012 INFO L225 Difference]: With dead ends: 271 [2021-11-25 19:01:32,012 INFO L226 Difference]: Without dead ends: 265 [2021-11-25 19:01:32,012 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:32,021 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 41 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:32,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 699 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:01:32,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-11-25 19:01:32,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 256. [2021-11-25 19:01:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.7215686274509805) internal successors, (439), 255 states have internal predecessors, (439), 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) [2021-11-25 19:01:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 439 transitions. [2021-11-25 19:01:32,062 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 439 transitions. Word has length 17 [2021-11-25 19:01:32,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:32,062 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 439 transitions. [2021-11-25 19:01:32,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-25 19:01:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 439 transitions. [2021-11-25 19:01:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 19:01:32,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:32,064 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:32,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:01:32,064 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:32,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:32,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1936585951, now seen corresponding path program 1 times [2021-11-25 19:01:32,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:32,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178339499] [2021-11-25 19:01:32,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:32,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:32,151 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:32,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178339499] [2021-11-25 19:01:32,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178339499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:32,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:32,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:32,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891153324] [2021-11-25 19:01:32,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:32,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:32,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:32,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:32,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:32,154 INFO L87 Difference]: Start difference. First operand 256 states and 439 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-25 19:01:32,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:32,323 INFO L93 Difference]: Finished difference Result 258 states and 440 transitions. [2021-11-25 19:01:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:32,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2021-11-25 19:01:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:32,327 INFO L225 Difference]: With dead ends: 258 [2021-11-25 19:01:32,327 INFO L226 Difference]: Without dead ends: 256 [2021-11-25 19:01:32,327 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:32,328 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 320 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:32,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 328 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:01:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-25 19:01:32,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-25 19:01:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.6901960784313725) internal successors, (431), 255 states have internal predecessors, (431), 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) [2021-11-25 19:01:32,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 431 transitions. [2021-11-25 19:01:32,347 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 431 transitions. Word has length 18 [2021-11-25 19:01:32,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:32,347 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 431 transitions. [2021-11-25 19:01:32,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-25 19:01:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 431 transitions. [2021-11-25 19:01:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 19:01:32,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:32,351 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:32,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:01:32,352 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:32,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:32,353 INFO L85 PathProgramCache]: Analyzing trace with hash 865993251, now seen corresponding path program 1 times [2021-11-25 19:01:32,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:32,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715591715] [2021-11-25 19:01:32,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:32,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:01:32,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:32,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715591715] [2021-11-25 19:01:32,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715591715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:32,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:32,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:32,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953409285] [2021-11-25 19:01:32,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:32,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:32,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:32,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:32,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:32,468 INFO L87 Difference]: Start difference. First operand 256 states and 431 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-25 19:01:33,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:33,038 INFO L93 Difference]: Finished difference Result 703 states and 1181 transitions. [2021-11-25 19:01:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:33,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) Word has length 21 [2021-11-25 19:01:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:33,042 INFO L225 Difference]: With dead ends: 703 [2021-11-25 19:01:33,042 INFO L226 Difference]: Without dead ends: 443 [2021-11-25 19:01:33,043 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:33,044 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 242 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:33,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 710 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:01:33,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-11-25 19:01:33,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 417. [2021-11-25 19:01:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 416 states have (on average 1.5432692307692308) internal successors, (642), 416 states have internal predecessors, (642), 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) [2021-11-25 19:01:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 642 transitions. [2021-11-25 19:01:33,060 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 642 transitions. Word has length 21 [2021-11-25 19:01:33,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:33,061 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 642 transitions. [2021-11-25 19:01:33,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-25 19:01:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 642 transitions. [2021-11-25 19:01:33,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 19:01:33,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:33,063 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:33,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:01:33,063 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:33,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:33,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2061526021, now seen corresponding path program 1 times [2021-11-25 19:01:33,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:33,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691624009] [2021-11-25 19:01:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:33,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:01:33,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:33,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691624009] [2021-11-25 19:01:33,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691624009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:33,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:33,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:33,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633836467] [2021-11-25 19:01:33,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:33,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:33,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:33,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:33,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:33,111 INFO L87 Difference]: Start difference. First operand 417 states and 642 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-25 19:01:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:33,170 INFO L93 Difference]: Finished difference Result 844 states and 1301 transitions. [2021-11-25 19:01:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:33,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 28 [2021-11-25 19:01:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:33,174 INFO L225 Difference]: With dead ends: 844 [2021-11-25 19:01:33,174 INFO L226 Difference]: Without dead ends: 429 [2021-11-25 19:01:33,175 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:33,176 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 219 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:33,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 454 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:01:33,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-11-25 19:01:33,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 427. [2021-11-25 19:01:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.5305164319248827) internal successors, (652), 426 states have internal predecessors, (652), 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) [2021-11-25 19:01:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 652 transitions. [2021-11-25 19:01:33,193 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 652 transitions. Word has length 28 [2021-11-25 19:01:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:33,194 INFO L470 AbstractCegarLoop]: Abstraction has 427 states and 652 transitions. [2021-11-25 19:01:33,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-25 19:01:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 652 transitions. [2021-11-25 19:01:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:01:33,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:33,196 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-25 19:01:33,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:01:33,196 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:33,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:33,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1762363445, now seen corresponding path program 1 times [2021-11-25 19:01:33,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:33,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436567046] [2021-11-25 19:01:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:33,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:01:33,252 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:33,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436567046] [2021-11-25 19:01:33,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436567046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:33,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:33,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:33,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627048598] [2021-11-25 19:01:33,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:33,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:33,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:33,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:33,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:33,255 INFO L87 Difference]: Start difference. First operand 427 states and 652 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-11-25 19:01:33,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:33,330 INFO L93 Difference]: Finished difference Result 673 states and 1036 transitions. [2021-11-25 19:01:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:33,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 30 [2021-11-25 19:01:33,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:33,332 INFO L225 Difference]: With dead ends: 673 [2021-11-25 19:01:33,333 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 19:01:33,333 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:33,334 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 46 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:33,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 571 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:01:33,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 19:01:33,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 246. [2021-11-25 19:01:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.5387755102040817) internal successors, (377), 245 states have internal predecessors, (377), 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) [2021-11-25 19:01:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 377 transitions. [2021-11-25 19:01:33,344 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 377 transitions. Word has length 30 [2021-11-25 19:01:33,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:33,344 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 377 transitions. [2021-11-25 19:01:33,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-11-25 19:01:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2021-11-25 19:01:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 19:01:33,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:33,346 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-25 19:01:33,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:01:33,347 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:33,347 INFO L85 PathProgramCache]: Analyzing trace with hash 216610019, now seen corresponding path program 1 times [2021-11-25 19:01:33,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:33,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373258091] [2021-11-25 19:01:33,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:33,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:01:33,388 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:33,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373258091] [2021-11-25 19:01:33,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373258091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:33,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:33,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:33,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693659846] [2021-11-25 19:01:33,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:33,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:33,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:33,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:33,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:33,391 INFO L87 Difference]: Start difference. First operand 246 states and 377 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-25 19:01:33,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:33,445 INFO L93 Difference]: Finished difference Result 447 states and 692 transitions. [2021-11-25 19:01:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:33,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 32 [2021-11-25 19:01:33,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:33,447 INFO L225 Difference]: With dead ends: 447 [2021-11-25 19:01:33,448 INFO L226 Difference]: Without dead ends: 208 [2021-11-25 19:01:33,448 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:33,449 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 244 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:33,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 329 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:01:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-25 19:01:33,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-25 19:01:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 207 states have (on average 1.5217391304347827) internal successors, (315), 207 states have internal predecessors, (315), 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) [2021-11-25 19:01:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 315 transitions. [2021-11-25 19:01:33,459 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 315 transitions. Word has length 32 [2021-11-25 19:01:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:33,459 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 315 transitions. [2021-11-25 19:01:33,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-25 19:01:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 315 transitions. [2021-11-25 19:01:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 19:01:33,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:33,461 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-25 19:01:33,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:01:33,462 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:01:33,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash 355500931, now seen corresponding path program 1 times [2021-11-25 19:01:33,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:33,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605760195] [2021-11-25 19:01:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:33,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:01:33,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:33,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605760195] [2021-11-25 19:01:33,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605760195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:33,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:33,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:01:33,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058045990] [2021-11-25 19:01:33,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:33,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:01:33,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:33,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:01:33,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:01:33,512 INFO L87 Difference]: Start difference. First operand 208 states and 315 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-25 19:01:33,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:33,725 INFO L93 Difference]: Finished difference Result 208 states and 315 transitions. [2021-11-25 19:01:33,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:01:33,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 36 [2021-11-25 19:01:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:33,726 INFO L225 Difference]: With dead ends: 208 [2021-11-25 19:01:33,726 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:01:33,727 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:01:33,728 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 132 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:33,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 269 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:01:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:01:33,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:01:33,729 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) [2021-11-25 19:01:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:01:33,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-11-25 19:01:33,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:33,730 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:01:33,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-25 19:01:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:01:33,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:01:33,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:01:33,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:01:33,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:01:33,840 INFO L858 garLoopResultBuilder]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2021-11-25 19:01:33,840 INFO L858 garLoopResultBuilder]: For program point L961(lines 961 963) no Hoare annotation was computed. [2021-11-25 19:01:33,841 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 840) no Hoare annotation was computed. [2021-11-25 19:01:33,841 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-11-25 19:01:33,841 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-11-25 19:01:33,841 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-11-25 19:01:33,841 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 180) no Hoare annotation was computed. [2021-11-25 19:01:33,841 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 899) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L699(lines 699 714) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 371) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 239) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 835) no Hoare annotation was computed. [2021-11-25 19:01:33,842 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 712) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 650) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 175) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 648) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 586) no Hoare annotation was computed. [2021-11-25 19:01:33,843 INFO L858 garLoopResultBuilder]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2021-11-25 19:01:33,844 INFO L858 garLoopResultBuilder]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2021-11-25 19:01:33,844 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2021-11-25 19:01:33,844 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 707) no Hoare annotation was computed. [2021-11-25 19:01:33,844 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 584) no Hoare annotation was computed. [2021-11-25 19:01:33,844 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 522) no Hoare annotation was computed. [2021-11-25 19:01:33,844 INFO L858 garLoopResultBuilder]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 65) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 986) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 643) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 520) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 458) no Hoare annotation was computed. [2021-11-25 19:01:33,845 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 326) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 62) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L907(lines 907 922) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-11-25 19:01:33,846 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 456) no Hoare annotation was computed. [2021-11-25 19:01:33,847 INFO L858 garLoopResultBuilder]: For program point L379(lines 379 394) no Hoare annotation was computed. [2021-11-25 19:01:33,847 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 324) no Hoare annotation was computed. [2021-11-25 19:01:33,847 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 262) no Hoare annotation was computed. [2021-11-25 19:01:33,847 INFO L854 garLoopResultBuilder]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2021-11-25 19:01:33,847 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 130) no Hoare annotation was computed. [2021-11-25 19:01:33,847 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-25 19:01:33,847 INFO L858 garLoopResultBuilder]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 920) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 858) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L381(lines 381 392) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 260) no Hoare annotation was computed. [2021-11-25 19:01:33,848 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 198) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 128) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 979) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 794) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 451) no Hoare annotation was computed. [2021-11-25 19:01:33,849 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 196) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 55) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 915) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 792) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L715(lines 715 730) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-11-25 19:01:33,850 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 255) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 123) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 851) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 666) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 191) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:01:33,851 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 787) no Hoare annotation was computed. [2021-11-25 19:01:33,852 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 664) no Hoare annotation was computed. [2021-11-25 19:01:33,852 INFO L858 garLoopResultBuilder]: For program point L587(lines 587 602) no Hoare annotation was computed. [2021-11-25 19:01:33,852 INFO L854 garLoopResultBuilder]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~this_m_conn_data_listener~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~this_m_delta~0#1| 1)) (.cse2 (= |ULTIMATE.start_main_~this_m_conn~0#1| 1))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~this_m_conn~0#1| 0)) (and .cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (and .cse1 (= 3 |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~this_m_conn_data_listener~0#1| 1) .cse2) (and .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~q~0#1|) .cse2))) [2021-11-25 19:01:33,852 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2021-11-25 19:01:33,852 INFO L858 garLoopResultBuilder]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 723) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 600) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 538) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2021-11-25 19:01:33,853 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 659) no Hoare annotation was computed. [2021-11-25 19:01:33,854 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 536) no Hoare annotation was computed. [2021-11-25 19:01:33,854 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 474) no Hoare annotation was computed. [2021-11-25 19:01:33,854 INFO L858 garLoopResultBuilder]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2021-11-25 19:01:33,854 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2021-11-25 19:01:33,854 INFO L858 garLoopResultBuilder]: For program point L923(lines 923 938) no Hoare annotation was computed. [2021-11-25 19:01:33,854 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 595) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 410) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 278) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 146) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1256) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2021-11-25 19:01:33,855 INFO L858 garLoopResultBuilder]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 149) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 936) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 531) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L397(lines 397 408) no Hoare annotation was computed. [2021-11-25 19:01:33,856 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 346) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 276) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-11-25 19:01:33,857 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 872) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L795(lines 795 810) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 467) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 344) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 80) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 931) no Hoare annotation was computed. [2021-11-25 19:01:33,858 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 808) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L731(lines 731 746) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 271) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 139) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 867) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 744) no Hoare annotation was computed. [2021-11-25 19:01:33,859 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 682) no Hoare annotation was computed. [2021-11-25 19:01:33,860 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 339) no Hoare annotation was computed. [2021-11-25 19:01:33,860 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-11-25 19:01:33,860 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-11-25 19:01:33,860 INFO L858 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2021-11-25 19:01:33,860 INFO L858 garLoopResultBuilder]: For program point L669(lines 669 680) no Hoare annotation was computed. [2021-11-25 19:01:33,860 INFO L858 garLoopResultBuilder]: For program point L603(lines 603 618) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 739) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 616) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 554) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2021-11-25 19:01:33,861 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 675) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 552) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 490) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2021-11-25 19:01:33,862 INFO L858 garLoopResultBuilder]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 954) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 611) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 488) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 426) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 294) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2021-11-25 19:01:33,863 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2021-11-25 19:01:33,864 INFO L858 garLoopResultBuilder]: For program point L941(lines 941 952) no Hoare annotation was computed. [2021-11-25 19:01:33,864 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 890) no Hoare annotation was computed. [2021-11-25 19:01:33,864 INFO L858 garLoopResultBuilder]: For program point L545(lines 545 547) no Hoare annotation was computed. [2021-11-25 19:01:33,864 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 424) no Hoare annotation was computed. [2021-11-25 19:01:33,864 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 362) no Hoare annotation was computed. [2021-11-25 19:01:33,864 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-11-25 19:01:33,865 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 230) no Hoare annotation was computed. [2021-11-25 19:01:33,865 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 98) no Hoare annotation was computed. [2021-11-25 19:01:33,865 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 329) no Hoare annotation was computed. [2021-11-25 19:01:33,865 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2021-11-25 19:01:33,865 INFO L861 garLoopResultBuilder]: At program point L18(lines 18 1257) the Hoare annotation is: true [2021-11-25 19:01:33,865 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2021-11-25 19:01:33,865 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 888) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 826) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 360) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 228) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 166) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 96) no Hoare annotation was computed. [2021-11-25 19:01:33,866 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 947) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L813(lines 813 824) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L747(lines 747 762) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 164) no Hoare annotation was computed. [2021-11-25 19:01:33,867 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 883) no Hoare annotation was computed. [2021-11-25 19:01:33,868 INFO L858 garLoopResultBuilder]: For program point L749(lines 749 760) no Hoare annotation was computed. [2021-11-25 19:01:33,868 INFO L858 garLoopResultBuilder]: For program point L683(lines 683 698) no Hoare annotation was computed. [2021-11-25 19:01:33,868 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-11-25 19:01:33,868 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-11-25 19:01:33,868 INFO L858 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-11-25 19:01:33,869 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 819) no Hoare annotation was computed. [2021-11-25 19:01:33,869 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-11-25 19:01:33,869 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 634) no Hoare annotation was computed. [2021-11-25 19:01:33,869 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 159) no Hoare annotation was computed. [2021-11-25 19:01:33,869 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2021-11-25 19:01:33,870 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 755) no Hoare annotation was computed. [2021-11-25 19:01:33,870 INFO L858 garLoopResultBuilder]: For program point L621(lines 621 632) no Hoare annotation was computed. [2021-11-25 19:01:33,870 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 570) no Hoare annotation was computed. [2021-11-25 19:01:33,870 INFO L858 garLoopResultBuilder]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2021-11-25 19:01:33,870 INFO L858 garLoopResultBuilder]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2021-11-25 19:01:33,870 INFO L858 garLoopResultBuilder]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2021-11-25 19:01:33,871 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 691) no Hoare annotation was computed. [2021-11-25 19:01:33,871 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 568) no Hoare annotation was computed. [2021-11-25 19:01:33,871 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 506) no Hoare annotation was computed. [2021-11-25 19:01:33,871 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2021-11-25 19:01:33,871 INFO L858 garLoopResultBuilder]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2021-11-25 19:01:33,872 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2021-11-25 19:01:33,872 INFO L858 garLoopResultBuilder]: For program point L955(lines 955 970) no Hoare annotation was computed. [2021-11-25 19:01:33,872 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 627) no Hoare annotation was computed. [2021-11-25 19:01:33,872 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 504) no Hoare annotation was computed. [2021-11-25 19:01:33,872 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-11-25 19:01:33,873 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 310) no Hoare annotation was computed. [2021-11-25 19:01:33,873 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2021-11-25 19:01:33,873 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2021-11-25 19:01:33,873 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 968) no Hoare annotation was computed. [2021-11-25 19:01:33,873 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 906) no Hoare annotation was computed. [2021-11-25 19:01:33,874 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 563) no Hoare annotation was computed. [2021-11-25 19:01:33,874 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 440) no Hoare annotation was computed. [2021-11-25 19:01:33,874 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 378) no Hoare annotation was computed. [2021-11-25 19:01:33,874 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-11-25 19:01:33,874 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 246) no Hoare annotation was computed. [2021-11-25 19:01:33,874 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 114) no Hoare annotation was computed. [2021-11-25 19:01:33,875 INFO L858 garLoopResultBuilder]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2021-11-25 19:01:33,875 INFO L858 garLoopResultBuilder]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2021-11-25 19:01:33,875 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~this_m_conn_data_listener~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~this_m_delta~0#1| 1))) (or (and .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~q~0#1|) (= |ULTIMATE.start_main_~this_m_conn~0#1| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_main_~q~0#1| 0) (= |ULTIMATE.start_main_~this_m_conn~0#1| 0)))) [2021-11-25 19:01:33,875 INFO L858 garLoopResultBuilder]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2021-11-25 19:01:33,876 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 904) no Hoare annotation was computed. [2021-11-25 19:01:33,876 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 842) no Hoare annotation was computed. [2021-11-25 19:01:33,876 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-11-25 19:01:33,876 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 376) no Hoare annotation was computed. [2021-11-25 19:01:33,876 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 244) no Hoare annotation was computed. [2021-11-25 19:01:33,876 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 182) no Hoare annotation was computed. [2021-11-25 19:01:33,877 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-11-25 19:01:33,880 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:33,882 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:01:33,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:01:33 BoogieIcfgContainer [2021-11-25 19:01:33,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:01:33,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:01:33,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:01:33,904 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:01:33,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:30" (3/4) ... [2021-11-25 19:01:33,907 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:01:33,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-25 19:01:33,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 19:01:33,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:01:33,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:01:33,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:01:33,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:01:33,969 INFO L158 Benchmark]: Toolchain (without parser) took 8023.97ms. Allocated memory was 98.6MB in the beginning and 237.0MB in the end (delta: 138.4MB). Free memory was 68.5MB in the beginning and 113.8MB in the end (delta: -45.3MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,970 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:01:33,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1434.61ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 68.5MB in the beginning and 50.5MB in the end (delta: 18.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 258.55ms. Allocated memory is still 136.3MB. Free memory was 50.5MB in the beginning and 75.4MB in the end (delta: -24.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,971 INFO L158 Benchmark]: Boogie Preprocessor took 212.33ms. Allocated memory is still 136.3MB. Free memory was 75.4MB in the beginning and 63.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,972 INFO L158 Benchmark]: RCFGBuilder took 2378.99ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 63.5MB in the beginning and 167.3MB in the end (delta: -103.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,972 INFO L158 Benchmark]: TraceAbstraction took 3666.05ms. Allocated memory is still 237.0MB. Free memory was 166.2MB in the beginning and 116.9MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,973 INFO L158 Benchmark]: Witness Printer took 65.46ms. Allocated memory is still 237.0MB. Free memory was 116.9MB in the beginning and 113.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:01:33,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1434.61ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 68.5MB in the beginning and 50.5MB in the end (delta: 18.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 258.55ms. Allocated memory is still 136.3MB. Free memory was 50.5MB in the beginning and 75.4MB in the end (delta: -24.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.33ms. Allocated memory is still 136.3MB. Free memory was 75.4MB in the beginning and 63.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2378.99ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 63.5MB in the beginning and 167.3MB in the end (delta: -103.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3666.05ms. Allocated memory is still 237.0MB. Free memory was 166.2MB in the beginning and 116.9MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 65.46ms. Allocated memory is still 237.0MB. Free memory was 116.9MB in the beginning and 113.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1256]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1292 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1292 mSDsluCounter, 5146 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1604 mSDsCounter, 291 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 547 IncrementalHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 291 mSolverCounterUnsat, 3542 mSDtfsCounter, 547 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=7, InterpolantAutomatonStates: 29, 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, 10 MinimizatonAttempts, 41 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 38/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((this_m_conn_data_listener == 0 && this_m_delta == 1) && 2 == q) && this_m_conn == 0) || (this_m_delta == 1 && q == 0)) || (((this_m_delta == 1 && 3 == q) && this_m_conn_data_listener == 1) && this_m_conn == 1)) || (((this_m_conn_data_listener == 0 && this_m_delta == 1) && 4 <= q) && this_m_conn == 1) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((this_m_conn_data_listener == 0 && this_m_delta == 1) && 4 <= q) && this_m_conn == 1) || (((this_m_conn_data_listener == 0 && this_m_delta == 1) && q == 0) && this_m_conn == 0) RESULT: Ultimate proved your program to be correct! [2021-11-25 19:01:34,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48e4a6f-5950-4dc3-bfad-9dbdb69eb8e0/bin/utaipan-eEHZpOm5b7/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