./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs --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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:15:35,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:15:35,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:15:35,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:15:35,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:15:35,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:15:35,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:15:35,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:15:35,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:15:35,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:15:35,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:15:35,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:15:35,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:15:35,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:15:35,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:15:35,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:15:35,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:15:35,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:15:35,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:15:35,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:15:35,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:15:35,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:15:35,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:15:35,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:15:35,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:15:35,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:15:35,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:15:35,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:15:35,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:15:35,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:15:35,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:15:35,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:15:35,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:15:35,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:15:35,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:15:35,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:15:35,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:15:35,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:15:35,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:15:35,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:15:35,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:15:35,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:15:35,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:15:35,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:15:35,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:15:35,863 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:15:35,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:15:35,864 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:15:35,864 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:15:35,864 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:15:35,865 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:15:35,865 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:15:35,866 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:15:35,867 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:15:35,867 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:15:35,867 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:15:35,867 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:15:35,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:15:35,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:15:35,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:15:35,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:15:35,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:15:35,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:15:35,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:15:35,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:15:35,870 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:15:35,871 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:15:35,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:15:35,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:15:35,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:15:35,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:15:35,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:15:35,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:15:35,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:15:35,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:15:35,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:15:35,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:15:35,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:15:35,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:15:35,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:15:35,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:15:35,877 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_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2021-10-16 03:15:36,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:15:36,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:15:36,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:15:36,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:15:36,175 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:15:36,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-16 03:15:36,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/data/99c31dae1/544b5b08fb9b40e49d0d0a90f0dc5c0c/FLAGef7508a3c [2021-10-16 03:15:37,140 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:15:37,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-16 03:15:37,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/data/99c31dae1/544b5b08fb9b40e49d0d0a90f0dc5c0c/FLAGef7508a3c [2021-10-16 03:15:37,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/data/99c31dae1/544b5b08fb9b40e49d0d0a90f0dc5c0c [2021-10-16 03:15:37,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:15:37,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:15:37,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:15:37,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:15:37,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:15:37,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:15:37" (1/1) ... [2021-10-16 03:15:37,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1428c184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:37, skipping insertion in model container [2021-10-16 03:15:37,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:15:37" (1/1) ... [2021-10-16 03:15:37,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:15:37,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:15:38,592 WARN L228 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_f6fc897d-4180-4147-bc78-278a3ad8406f/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-16 03:15:38,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:15:38,629 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:15:38,969 WARN L228 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_f6fc897d-4180-4147-bc78-278a3ad8406f/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-16 03:15:38,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:15:38,989 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:15:38,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38 WrapperNode [2021-10-16 03:15:38,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:15:38,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:15:38,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:15:38,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:15:38,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:15:39,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:15:39,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:15:39,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:15:39,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:15:39,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:15:39,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:15:39,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:15:39,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (1/1) ... [2021-10-16 03:15:39,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:15:39,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:15:39,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:15:39,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:15:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:15:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:15:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:15:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:15:41,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:15:41,348 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-16 03:15:41,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:15:41 BoogieIcfgContainer [2021-10-16 03:15:41,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:15:41,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:15:41,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:15:41,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:15:41,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:15:37" (1/3) ... [2021-10-16 03:15:41,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4524dc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:15:41, skipping insertion in model container [2021-10-16 03:15:41,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:15:38" (2/3) ... [2021-10-16 03:15:41,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4524dc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:15:41, skipping insertion in model container [2021-10-16 03:15:41,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:15:41" (3/3) ... [2021-10-16 03:15:41,363 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-10-16 03:15:41,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:15:41,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:15:41,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:15:41,449 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, mConcurrency=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 [2021-10-16 03:15:41,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:15:41,475 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) [2021-10-16 03:15:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-16 03:15:41,483 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:41,484 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:41,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:41,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:41,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1038571567, now seen corresponding path program 1 times [2021-10-16 03:15:41,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:41,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91748599] [2021-10-16 03:15:41,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:41,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:41,685 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:41,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91748599] [2021-10-16 03:15:41,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91748599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:41,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:41,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:15:41,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145278668] [2021-10-16 03:15:41,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:15:41,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:15:41,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:15:41,715 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) [2021-10-16 03:15:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:41,783 INFO L93 Difference]: Finished difference Result 460 states and 907 transitions. [2021-10-16 03:15:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:15:41,785 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 [2021-10-16 03:15:41,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:41,804 INFO L225 Difference]: With dead ends: 460 [2021-10-16 03:15:41,804 INFO L226 Difference]: Without dead ends: 223 [2021-10-16 03:15:41,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:15:41,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-10-16 03:15:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2021-10-16 03:15:41,879 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) [2021-10-16 03:15:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 392 transitions. [2021-10-16 03:15:41,888 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 392 transitions. Word has length 8 [2021-10-16 03:15:41,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:41,889 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 392 transitions. [2021-10-16 03:15:41,889 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) [2021-10-16 03:15:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 392 transitions. [2021-10-16 03:15:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 03:15:41,891 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:41,892 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:41,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:15:41,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:41,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1598481019, now seen corresponding path program 1 times [2021-10-16 03:15:41,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:41,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807854371] [2021-10-16 03:15:41,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:41,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:42,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:42,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807854371] [2021-10-16 03:15:42,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807854371] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:42,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:42,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:15:42,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804189857] [2021-10-16 03:15:42,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:42,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:42,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:42,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,008 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) [2021-10-16 03:15:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:42,176 INFO L93 Difference]: Finished difference Result 448 states and 787 transitions. [2021-10-16 03:15:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:42,177 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 [2021-10-16 03:15:42,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:42,181 INFO L225 Difference]: With dead ends: 448 [2021-10-16 03:15:42,182 INFO L226 Difference]: Without dead ends: 226 [2021-10-16 03:15:42,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-16 03:15:42,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2021-10-16 03:15:42,213 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) [2021-10-16 03:15:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 395 transitions. [2021-10-16 03:15:42,216 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 395 transitions. Word has length 9 [2021-10-16 03:15:42,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:42,216 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 395 transitions. [2021-10-16 03:15:42,218 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) [2021-10-16 03:15:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 395 transitions. [2021-10-16 03:15:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-16 03:15:42,219 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:42,219 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:42,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 03:15:42,220 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:42,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:42,233 INFO L82 PathProgramCache]: Analyzing trace with hash 74920244, now seen corresponding path program 1 times [2021-10-16 03:15:42,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:42,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646298360] [2021-10-16 03:15:42,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:42,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:42,351 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:42,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646298360] [2021-10-16 03:15:42,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646298360] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:42,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:42,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:42,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978856617] [2021-10-16 03:15:42,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:42,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:42,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:42,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,361 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) [2021-10-16 03:15:42,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:42,520 INFO L93 Difference]: Finished difference Result 456 states and 796 transitions. [2021-10-16 03:15:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:42,520 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 [2021-10-16 03:15:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:42,522 INFO L225 Difference]: With dead ends: 456 [2021-10-16 03:15:42,523 INFO L226 Difference]: Without dead ends: 232 [2021-10-16 03:15:42,523 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-10-16 03:15:42,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-10-16 03:15:42,549 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) [2021-10-16 03:15:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 399 transitions. [2021-10-16 03:15:42,555 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 399 transitions. Word has length 14 [2021-10-16 03:15:42,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:42,556 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 399 transitions. [2021-10-16 03:15:42,556 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) [2021-10-16 03:15:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 399 transitions. [2021-10-16 03:15:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-16 03:15:42,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:42,558 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:42,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 03:15:42,559 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:42,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:42,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1876823746, now seen corresponding path program 1 times [2021-10-16 03:15:42,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:42,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171586127] [2021-10-16 03:15:42,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:42,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:42,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:42,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171586127] [2021-10-16 03:15:42,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171586127] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:42,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:42,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:42,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973060503] [2021-10-16 03:15:42,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:42,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:42,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,665 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) [2021-10-16 03:15:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:42,797 INFO L93 Difference]: Finished difference Result 271 states and 455 transitions. [2021-10-16 03:15:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:42,798 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 [2021-10-16 03:15:42,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:42,800 INFO L225 Difference]: With dead ends: 271 [2021-10-16 03:15:42,801 INFO L226 Difference]: Without dead ends: 265 [2021-10-16 03:15:42,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-10-16 03:15:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 256. [2021-10-16 03:15:42,812 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) [2021-10-16 03:15:42,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 439 transitions. [2021-10-16 03:15:42,814 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 439 transitions. Word has length 17 [2021-10-16 03:15:42,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:42,815 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 439 transitions. [2021-10-16 03:15:42,815 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) [2021-10-16 03:15:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 439 transitions. [2021-10-16 03:15:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 03:15:42,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:42,817 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:42,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 03:15:42,818 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:42,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:42,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1936585951, now seen corresponding path program 1 times [2021-10-16 03:15:42,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:42,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767421980] [2021-10-16 03:15:42,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:42,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:42,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:42,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767421980] [2021-10-16 03:15:42,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767421980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:42,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:42,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:42,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742794303] [2021-10-16 03:15:42,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:42,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:42,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:42,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:42,911 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) [2021-10-16 03:15:43,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:43,063 INFO L93 Difference]: Finished difference Result 258 states and 440 transitions. [2021-10-16 03:15:43,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:43,064 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 [2021-10-16 03:15:43,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:43,066 INFO L225 Difference]: With dead ends: 258 [2021-10-16 03:15:43,067 INFO L226 Difference]: Without dead ends: 256 [2021-10-16 03:15:43,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:43,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-10-16 03:15:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-10-16 03:15:43,075 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) [2021-10-16 03:15:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 431 transitions. [2021-10-16 03:15:43,078 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 431 transitions. Word has length 18 [2021-10-16 03:15:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:43,079 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 431 transitions. [2021-10-16 03:15:43,079 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) [2021-10-16 03:15:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 431 transitions. [2021-10-16 03:15:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-16 03:15:43,081 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:43,081 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:15:43,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 03:15:43,082 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:43,083 INFO L82 PathProgramCache]: Analyzing trace with hash 865993251, now seen corresponding path program 1 times [2021-10-16 03:15:43,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:43,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688607490] [2021-10-16 03:15:43,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:43,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:15:43,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:43,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688607490] [2021-10-16 03:15:43,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688607490] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:43,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:43,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:43,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786709456] [2021-10-16 03:15:43,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:43,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:43,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:43,205 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) [2021-10-16 03:15:43,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:43,734 INFO L93 Difference]: Finished difference Result 703 states and 1181 transitions. [2021-10-16 03:15:43,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:43,735 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 [2021-10-16 03:15:43,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:43,738 INFO L225 Difference]: With dead ends: 703 [2021-10-16 03:15:43,739 INFO L226 Difference]: Without dead ends: 443 [2021-10-16 03:15:43,739 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:43,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-10-16 03:15:43,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 417. [2021-10-16 03:15:43,756 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) [2021-10-16 03:15:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 642 transitions. [2021-10-16 03:15:43,758 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 642 transitions. Word has length 21 [2021-10-16 03:15:43,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:43,759 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 642 transitions. [2021-10-16 03:15:43,759 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) [2021-10-16 03:15:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 642 transitions. [2021-10-16 03:15:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-16 03:15:43,765 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:43,765 INFO L512 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] [2021-10-16 03:15:43,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 03:15:43,766 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:43,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:43,766 INFO L82 PathProgramCache]: Analyzing trace with hash 2061526021, now seen corresponding path program 1 times [2021-10-16 03:15:43,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:43,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765589237] [2021-10-16 03:15:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:43,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:15:43,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:43,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765589237] [2021-10-16 03:15:43,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765589237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:43,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:43,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:43,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255349740] [2021-10-16 03:15:43,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:43,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:43,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:43,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:43,843 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) [2021-10-16 03:15:43,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:43,902 INFO L93 Difference]: Finished difference Result 753 states and 1167 transitions. [2021-10-16 03:15:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:43,903 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 [2021-10-16 03:15:43,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:43,905 INFO L225 Difference]: With dead ends: 753 [2021-10-16 03:15:43,905 INFO L226 Difference]: Without dead ends: 338 [2021-10-16 03:15:43,907 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-10-16 03:15:43,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2021-10-16 03:15:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 337 states have (on average 1.545994065281899) internal successors, (521), 337 states have internal predecessors, (521), 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) [2021-10-16 03:15:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 521 transitions. [2021-10-16 03:15:43,925 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 521 transitions. Word has length 28 [2021-10-16 03:15:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:43,926 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 521 transitions. [2021-10-16 03:15:43,926 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) [2021-10-16 03:15:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 521 transitions. [2021-10-16 03:15:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-16 03:15:43,929 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:43,930 INFO L512 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] [2021-10-16 03:15:43,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 03:15:43,930 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:43,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:43,931 INFO L82 PathProgramCache]: Analyzing trace with hash 216610019, now seen corresponding path program 1 times [2021-10-16 03:15:43,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:43,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578459057] [2021-10-16 03:15:43,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:43,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:15:43,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:43,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578459057] [2021-10-16 03:15:43,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578459057] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:43,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:43,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:43,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782852002] [2021-10-16 03:15:43,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:43,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:43,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:43,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:43,988 INFO L87 Difference]: Start difference. First operand 338 states and 521 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) [2021-10-16 03:15:44,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:44,043 INFO L93 Difference]: Finished difference Result 663 states and 1028 transitions. [2021-10-16 03:15:44,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:44,044 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 [2021-10-16 03:15:44,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:44,047 INFO L225 Difference]: With dead ends: 663 [2021-10-16 03:15:44,047 INFO L226 Difference]: Without dead ends: 332 [2021-10-16 03:15:44,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-16 03:15:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2021-10-16 03:15:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.513595166163142) internal successors, (501), 331 states have internal predecessors, (501), 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) [2021-10-16 03:15:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 501 transitions. [2021-10-16 03:15:44,059 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 501 transitions. Word has length 32 [2021-10-16 03:15:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:44,062 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 501 transitions. [2021-10-16 03:15:44,062 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) [2021-10-16 03:15:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 501 transitions. [2021-10-16 03:15:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-16 03:15:44,066 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:44,066 INFO L512 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] [2021-10-16 03:15:44,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 03:15:44,066 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:44,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:44,067 INFO L82 PathProgramCache]: Analyzing trace with hash 355500931, now seen corresponding path program 1 times [2021-10-16 03:15:44,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:44,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490513072] [2021-10-16 03:15:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:44,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:15:44,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:44,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490513072] [2021-10-16 03:15:44,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490513072] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:44,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:44,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:44,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697283909] [2021-10-16 03:15:44,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:44,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:44,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:44,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,147 INFO L87 Difference]: Start difference. First operand 332 states and 501 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) [2021-10-16 03:15:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:44,538 INFO L93 Difference]: Finished difference Result 375 states and 542 transitions. [2021-10-16 03:15:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:44,540 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 [2021-10-16 03:15:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:44,542 INFO L225 Difference]: With dead ends: 375 [2021-10-16 03:15:44,542 INFO L226 Difference]: Without dead ends: 338 [2021-10-16 03:15:44,542 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-10-16 03:15:44,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 332. [2021-10-16 03:15:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.404833836858006) internal successors, (465), 331 states have internal predecessors, (465), 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) [2021-10-16 03:15:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 465 transitions. [2021-10-16 03:15:44,552 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 465 transitions. Word has length 36 [2021-10-16 03:15:44,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:44,552 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 465 transitions. [2021-10-16 03:15:44,552 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) [2021-10-16 03:15:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 465 transitions. [2021-10-16 03:15:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-16 03:15:44,553 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:44,553 INFO L512 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, 1] [2021-10-16 03:15:44,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 03:15:44,554 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:44,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:44,554 INFO L82 PathProgramCache]: Analyzing trace with hash 609617484, now seen corresponding path program 1 times [2021-10-16 03:15:44,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:44,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18466139] [2021-10-16 03:15:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:44,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:15:44,591 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:44,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18466139] [2021-10-16 03:15:44,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18466139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:44,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:44,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:44,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019223694] [2021-10-16 03:15:44,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:44,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:44,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:44,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,593 INFO L87 Difference]: Start difference. First operand 332 states and 465 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-10-16 03:15:44,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:44,630 INFO L93 Difference]: Finished difference Result 634 states and 887 transitions. [2021-10-16 03:15:44,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:44,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 37 [2021-10-16 03:15:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:44,633 INFO L225 Difference]: With dead ends: 634 [2021-10-16 03:15:44,633 INFO L226 Difference]: Without dead ends: 309 [2021-10-16 03:15:44,634 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-16 03:15:44,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-10-16 03:15:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.3896103896103895) internal successors, (428), 308 states have internal predecessors, (428), 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) [2021-10-16 03:15:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 428 transitions. [2021-10-16 03:15:44,642 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 428 transitions. Word has length 37 [2021-10-16 03:15:44,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:44,642 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 428 transitions. [2021-10-16 03:15:44,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-10-16 03:15:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 428 transitions. [2021-10-16 03:15:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-16 03:15:44,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:15:44,643 INFO L512 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, 1, 1] [2021-10-16 03:15:44,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 03:15:44,644 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:15:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:15:44,644 INFO L82 PathProgramCache]: Analyzing trace with hash 348944307, now seen corresponding path program 1 times [2021-10-16 03:15:44,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:15:44,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039403593] [2021-10-16 03:15:44,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:15:44,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:15:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:15:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 03:15:44,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:15:44,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039403593] [2021-10-16 03:15:44,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039403593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:15:44,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:15:44,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:15:44,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025230361] [2021-10-16 03:15:44,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:15:44,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:15:44,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:15:44,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,681 INFO L87 Difference]: Start difference. First operand 309 states and 428 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-16 03:15:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:15:44,716 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2021-10-16 03:15:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:15:44,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 38 [2021-10-16 03:15:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:15:44,717 INFO L225 Difference]: With dead ends: 473 [2021-10-16 03:15:44,718 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:15:44,718 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:15:44,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:15:44,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:15:44,719 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) [2021-10-16 03:15:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:15:44,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-10-16 03:15:44,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:15:44,719 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:15:44,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-10-16 03:15:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:15:44,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:15:44,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:15:44,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 03:15:44,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:15:44,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:44,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:44,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:44,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L961(lines 961 963) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 840) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 180) no Hoare annotation was computed. [2021-10-16 03:15:44,842 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 899) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 714) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 371) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 239) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 835) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 712) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 650) no Hoare annotation was computed. [2021-10-16 03:15:44,843 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 175) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 648) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 586) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2021-10-16 03:15:44,844 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 707) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 584) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 522) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L46(lines 46 65) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 986) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 643) no Hoare annotation was computed. [2021-10-16 03:15:44,845 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 520) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 458) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 326) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L47(lines 47 62) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L907(lines 907 922) no Hoare annotation was computed. [2021-10-16 03:15:44,846 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-10-16 03:15:44,847 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 456) no Hoare annotation was computed. [2021-10-16 03:15:44,847 INFO L857 garLoopResultBuilder]: For program point L379(lines 379 394) no Hoare annotation was computed. [2021-10-16 03:15:44,847 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 324) no Hoare annotation was computed. [2021-10-16 03:15:44,847 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 262) no Hoare annotation was computed. [2021-10-16 03:15:44,847 INFO L853 garLoopResultBuilder]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2021-10-16 03:15:44,847 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 130) no Hoare annotation was computed. [2021-10-16 03:15:44,847 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 920) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 858) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 392) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 260) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 198) no Hoare annotation was computed. [2021-10-16 03:15:44,848 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 128) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 979) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 794) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 451) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 196) no Hoare annotation was computed. [2021-10-16 03:15:44,849 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 55) no Hoare annotation was computed. [2021-10-16 03:15:44,854 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 915) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 792) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L715(lines 715 730) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 255) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 123) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 851) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-10-16 03:15:44,855 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 666) no Hoare annotation was computed. [2021-10-16 03:15:44,856 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 191) no Hoare annotation was computed. [2021-10-16 03:15:44,856 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:15:44,856 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 787) no Hoare annotation was computed. [2021-10-16 03:15:44,856 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 664) no Hoare annotation was computed. [2021-10-16 03:15:44,856 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 602) no Hoare annotation was computed. [2021-10-16 03:15:44,856 INFO L853 garLoopResultBuilder]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse2 (= ULTIMATE.start_main_~this_m_conn~0 1)) (.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and .cse0 (<= 4 ULTIMATE.start_main_~q~0) .cse1 .cse2) (and .cse0 (= ULTIMATE.start_main_~q~0 2) .cse1 (= ULTIMATE.start_main_~this_m_conn~0 0)) (and .cse0 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 1) (= ULTIMATE.start_main_~q~0 3) .cse2) (and .cse0 (= ULTIMATE.start_main_~q~0 0)))) [2021-10-16 03:15:44,856 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 723) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 600) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 538) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2021-10-16 03:15:44,857 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 659) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 536) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 474) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 938) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 595) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-10-16 03:15:44,858 INFO L857 garLoopResultBuilder]: For program point L395(lines 395 410) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 278) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 146) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1256) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 149) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2021-10-16 03:15:44,859 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 936) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 531) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 408) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 346) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 276) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-10-16 03:15:44,860 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 872) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L795(lines 795 810) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L465(lines 465 467) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 344) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 80) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 931) no Hoare annotation was computed. [2021-10-16 03:15:44,861 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 808) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 746) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 271) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 139) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 867) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 744) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 682) no Hoare annotation was computed. [2021-10-16 03:15:44,862 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 339) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 680) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L603(lines 603 618) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 739) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 616) no Hoare annotation was computed. [2021-10-16 03:15:44,863 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 554) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 675) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 552) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 490) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2021-10-16 03:15:44,864 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2021-10-16 03:15:44,868 INFO L857 garLoopResultBuilder]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2021-10-16 03:15:44,868 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 954) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 611) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 488) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L411(lines 411 426) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 294) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L941(lines 941 952) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 890) no Hoare annotation was computed. [2021-10-16 03:15:44,869 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 547) no Hoare annotation was computed. [2021-10-16 03:15:44,870 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 424) no Hoare annotation was computed. [2021-10-16 03:15:44,870 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 362) no Hoare annotation was computed. [2021-10-16 03:15:44,870 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-10-16 03:15:44,871 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 230) no Hoare annotation was computed. [2021-10-16 03:15:44,871 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 98) no Hoare annotation was computed. [2021-10-16 03:15:44,871 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 329) no Hoare annotation was computed. [2021-10-16 03:15:44,873 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2021-10-16 03:15:44,873 INFO L860 garLoopResultBuilder]: At program point L18(lines 18 1257) the Hoare annotation is: true [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 888) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 826) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 360) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 228) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 166) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 96) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 947) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L813(lines 813 824) no Hoare annotation was computed. [2021-10-16 03:15:44,874 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 762) no Hoare annotation was computed. [2021-10-16 03:15:44,875 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-10-16 03:15:44,875 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-10-16 03:15:44,875 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 164) no Hoare annotation was computed. [2021-10-16 03:15:44,875 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 883) no Hoare annotation was computed. [2021-10-16 03:15:44,875 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 760) no Hoare annotation was computed. [2021-10-16 03:15:44,875 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 698) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 819) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 634) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 159) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 755) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L621(lines 621 632) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 570) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2021-10-16 03:15:44,876 INFO L857 garLoopResultBuilder]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 691) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 568) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 506) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 970) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 627) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 504) no Hoare annotation was computed. [2021-10-16 03:15:44,877 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 310) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 968) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 906) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 563) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 440) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 378) no Hoare annotation was computed. [2021-10-16 03:15:44,878 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 246) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 114) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L853 garLoopResultBuilder]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1)) (.cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0))) (or (and .cse0 (= ULTIMATE.start_main_~q~0 0) .cse1 (= ULTIMATE.start_main_~this_m_conn~0 0)) (and .cse0 (<= 4 ULTIMATE.start_main_~q~0) .cse1 (= ULTIMATE.start_main_~this_m_conn~0 1)))) [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 904) no Hoare annotation was computed. [2021-10-16 03:15:44,879 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 842) no Hoare annotation was computed. [2021-10-16 03:15:44,880 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-10-16 03:15:44,880 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 376) no Hoare annotation was computed. [2021-10-16 03:15:44,880 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 244) no Hoare annotation was computed. [2021-10-16 03:15:44,880 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 182) no Hoare annotation was computed. [2021-10-16 03:15:44,880 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-10-16 03:15:44,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:15:44,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:15:44 BoogieIcfgContainer [2021-10-16 03:15:44,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:15:44,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:15:44,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:15:44,911 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:15:44,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:15:41" (3/4) ... [2021-10-16 03:15:44,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:15:44,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 03:15:44,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 03:15:44,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:15:44,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:15:44,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:15:44,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:15:44,977 INFO L168 Benchmark]: Toolchain (without parser) took 7296.07 ms. Allocated memory was 96.5 MB in the beginning and 297.8 MB in the end (delta: 201.3 MB). Free memory was 54.7 MB in the beginning and 161.6 MB in the end (delta: -106.9 MB). Peak memory consumption was 96.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,977 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:15:44,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1308.23 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.5 MB in the beginning and 70.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.81 ms. Allocated memory is still 117.4 MB. Free memory was 70.9 MB in the beginning and 47.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,979 INFO L168 Benchmark]: Boogie Preprocessor took 221.52 ms. Allocated memory is still 117.4 MB. Free memory was 47.0 MB in the beginning and 58.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,979 INFO L168 Benchmark]: RCFGBuilder took 1982.75 ms. Allocated memory was 117.4 MB in the beginning and 178.3 MB in the end (delta: 60.8 MB). Free memory was 58.4 MB in the beginning and 113.9 MB in the end (delta: -55.5 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,980 INFO L168 Benchmark]: TraceAbstraction took 3555.53 ms. Allocated memory was 178.3 MB in the beginning and 297.8 MB in the end (delta: 119.5 MB). Free memory was 113.3 MB in the beginning and 165.8 MB in the end (delta: -52.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,980 INFO L168 Benchmark]: Witness Printer took 65.01 ms. Allocated memory is still 297.8 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:15:44,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1308.23 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.5 MB in the beginning and 70.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 155.81 ms. Allocated memory is still 117.4 MB. Free memory was 70.9 MB in the beginning and 47.0 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 221.52 ms. Allocated memory is still 117.4 MB. Free memory was 47.0 MB in the beginning and 58.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1982.75 ms. Allocated memory was 117.4 MB in the beginning and 178.3 MB in the end (delta: 60.8 MB). Free memory was 58.4 MB in the beginning and 113.9 MB in the end (delta: -55.5 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3555.53 ms. Allocated memory was 178.3 MB in the beginning and 297.8 MB in the end (delta: 119.5 MB). Free memory was 113.3 MB in the beginning and 165.8 MB in the end (delta: -52.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. * Witness Printer took 65.01 ms. Allocated memory is still 297.8 MB. Free memory was 165.8 MB in the beginning and 161.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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: 3446.4ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 34.9ms, AutomataDifference: 1893.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 118.1ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3811 SDtfs, 1581 SDslu, 1631 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1266.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 210.8ms AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 27.4ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 83.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 46.7ms SsaConstructionTime, 325.1ms SatisfiabilityAnalysisTime, 469.4ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) || (((this_m_delta == 1 && q == 2) && this_m_conn_data_listener == 0) && this_m_conn == 0)) || (((this_m_delta == 1 && this_m_conn_data_listener == 1) && q == 3) && this_m_conn == 1)) || (this_m_delta == 1 && q == 0) - 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_delta == 1 && q == 0) && this_m_conn_data_listener == 0) && this_m_conn == 0) || (((this_m_delta == 1 && 4 <= q) && this_m_conn_data_listener == 0) && this_m_conn == 1) RESULT: Ultimate proved your program to be correct! [2021-10-16 03:15:45,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6fc897d-4180-4147-bc78-278a3ad8406f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...