./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 452bca413427171f12d7ad8836a46968f2acfe1a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:01,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:01,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:01,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:01,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:01,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:01,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:01,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:01,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:01,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:01,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:01,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:01,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:01,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:01,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:01,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:01,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:01,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:01,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:01,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:01,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:01,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:01,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:01,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:01,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:01,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:01,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:01,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:01,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:01,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:01,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:01,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:01,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:01,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:01,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:01,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:01,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:01,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:01,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:01,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:01,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:01,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:01,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:01,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:01,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:01,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:01,885 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:01,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:01,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:01,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:01,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:01,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:01,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:01,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:01,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:01,894 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:01,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:01,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:01,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:01,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:01,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:01,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:01,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:01,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:01,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:01,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:01,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:01,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:01,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:01,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:01,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452bca413427171f12d7ad8836a46968f2acfe1a [2021-10-11 00:31:02,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:02,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:02,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:02,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:02,194 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:02,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-10-11 00:31:02,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/data/2f4b146c6/a04f67ddbf5545db978abaadd58298c6/FLAGfce32d637 [2021-10-11 00:31:02,664 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:02,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2021-10-11 00:31:02,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/data/2f4b146c6/a04f67ddbf5545db978abaadd58298c6/FLAGfce32d637 [2021-10-11 00:31:03,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/data/2f4b146c6/a04f67ddbf5545db978abaadd58298c6 [2021-10-11 00:31:03,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:03,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:03,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:03,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:03,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:03,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f10851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03, skipping insertion in model container [2021-10-11 00:31:03,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:03,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:03,251 WARN L226 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_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-10-11 00:31:03,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:03,280 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:03,291 WARN L226 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_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2021-10-11 00:31:03,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:03,310 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:03,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03 WrapperNode [2021-10-11 00:31:03,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:03,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:03,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:03,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:03,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:03,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:03,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:03,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:03,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... [2021-10-11 00:31:03,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:03,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:03,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:03,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:03,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 00:31:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 00:31:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 00:31:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:31:03,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:03,686 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-11 00:31:03,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:03 BoogieIcfgContainer [2021-10-11 00:31:03,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:03,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:03,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:03,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:03,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:03" (1/3) ... [2021-10-11 00:31:03,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d764cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:03, skipping insertion in model container [2021-10-11 00:31:03,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:03" (2/3) ... [2021-10-11 00:31:03,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d764cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:03, skipping insertion in model container [2021-10-11 00:31:03,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:03" (3/3) ... [2021-10-11 00:31:03,705 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2021-10-11 00:31:03,733 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:03,736 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:31:03,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:31:03,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:03,806 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:03,806 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:03,806 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:03,807 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:03,807 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:03,807 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:03,807 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-10-11 00:31:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:31:03,826 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:03,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:03,827 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:03,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:03,833 INFO L82 PathProgramCache]: Analyzing trace with hash -2060710478, now seen corresponding path program 1 times [2021-10-11 00:31:03,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:03,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079080145] [2021-10-11 00:31:03,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:04,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079080145] [2021-10-11 00:31:04,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:04,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:04,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196482123] [2021-10-11 00:31:04,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:04,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:04,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:04,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:04,029 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2021-10-11 00:31:04,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:04,050 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-10-11 00:31:04,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:04,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 00:31:04,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:04,076 INFO L225 Difference]: With dead ends: 36 [2021-10-11 00:31:04,076 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 00:31:04,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:04,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 00:31:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 00:31:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 00:31:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-10-11 00:31:04,109 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2021-10-11 00:31:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:04,110 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-11 00:31:04,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-11 00:31:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:31:04,111 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:04,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:04,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:04,112 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:04,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:04,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1919336157, now seen corresponding path program 1 times [2021-10-11 00:31:04,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:04,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349394258] [2021-10-11 00:31:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:04,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349394258] [2021-10-11 00:31:04,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:04,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:04,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472258225] [2021-10-11 00:31:04,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:04,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:04,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:04,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:04,194 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 3 states. [2021-10-11 00:31:04,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:04,225 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-10-11 00:31:04,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:04,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2021-10-11 00:31:04,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:04,227 INFO L225 Difference]: With dead ends: 30 [2021-10-11 00:31:04,227 INFO L226 Difference]: Without dead ends: 18 [2021-10-11 00:31:04,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:04,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-11 00:31:04,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-11 00:31:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 00:31:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-10-11 00:31:04,233 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2021-10-11 00:31:04,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:04,233 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-11 00:31:04,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-11 00:31:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:31:04,234 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:04,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:04,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:04,235 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:04,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:04,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1264138591, now seen corresponding path program 1 times [2021-10-11 00:31:04,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:04,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050363366] [2021-10-11 00:31:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:31:04,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050363366] [2021-10-11 00:31:04,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:04,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:04,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308999505] [2021-10-11 00:31:04,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:04,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:04,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:04,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:04,301 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 3 states. [2021-10-11 00:31:04,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:04,345 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2021-10-11 00:31:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:04,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2021-10-11 00:31:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:04,346 INFO L225 Difference]: With dead ends: 35 [2021-10-11 00:31:04,346 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:31:04,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:04,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:31:04,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2021-10-11 00:31:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-11 00:31:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-10-11 00:31:04,351 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2021-10-11 00:31:04,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:04,352 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-11 00:31:04,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-10-11 00:31:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:31:04,353 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:04,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:04,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:04,353 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:04,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:04,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1458340319, now seen corresponding path program 1 times [2021-10-11 00:31:04,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:04,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921304260] [2021-10-11 00:31:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:31:04,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921304260] [2021-10-11 00:31:04,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91657725] [2021-10-11 00:31:04,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:31:04,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:31:04,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:31:04,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-11 00:31:04,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286464791] [2021-10-11 00:31:04,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:04,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:04,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:04,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:04,550 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 3 states. [2021-10-11 00:31:04,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:04,563 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2021-10-11 00:31:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:04,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2021-10-11 00:31:04,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:04,565 INFO L225 Difference]: With dead ends: 32 [2021-10-11 00:31:04,565 INFO L226 Difference]: Without dead ends: 18 [2021-10-11 00:31:04,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:04,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-11 00:31:04,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-11 00:31:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-11 00:31:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-11 00:31:04,570 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 15 [2021-10-11 00:31:04,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:04,571 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-11 00:31:04,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-10-11 00:31:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:31:04,572 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:04,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:04,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:04,788 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:04,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:04,789 INFO L82 PathProgramCache]: Analyzing trace with hash 2027280351, now seen corresponding path program 1 times [2021-10-11 00:31:04,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:04,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713061072] [2021-10-11 00:31:04,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:31:04,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713061072] [2021-10-11 00:31:04,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546586485] [2021-10-11 00:31:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:04,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:31:04,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:31:05,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:05,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-11 00:31:05,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755461692] [2021-10-11 00:31:05,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:05,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:05,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:05,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:05,074 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 6 states. [2021-10-11 00:31:05,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:05,178 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2021-10-11 00:31:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:05,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2021-10-11 00:31:05,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:05,181 INFO L225 Difference]: With dead ends: 53 [2021-10-11 00:31:05,181 INFO L226 Difference]: Without dead ends: 40 [2021-10-11 00:31:05,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-11 00:31:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-10-11 00:31:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-10-11 00:31:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-10-11 00:31:05,190 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 15 [2021-10-11 00:31:05,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:05,191 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-11 00:31:05,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-10-11 00:31:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:31:05,192 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:05,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:05,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:05,400 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:05,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:05,401 INFO L82 PathProgramCache]: Analyzing trace with hash -2139127327, now seen corresponding path program 2 times [2021-10-11 00:31:05,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:05,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210114086] [2021-10-11 00:31:05,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:31:05,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210114086] [2021-10-11 00:31:05,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557819942] [2021-10-11 00:31:05,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:05,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-11 00:31:05,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:05,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:31:05,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:31:05,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:05,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-11 00:31:05,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607939622] [2021-10-11 00:31:05,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:31:05,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:05,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:31:05,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:05,696 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 8 states. [2021-10-11 00:31:05,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:05,731 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2021-10-11 00:31:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:05,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2021-10-11 00:31:05,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:05,740 INFO L225 Difference]: With dead ends: 42 [2021-10-11 00:31:05,740 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 00:31:05,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:05,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 00:31:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-10-11 00:31:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-10-11 00:31:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-10-11 00:31:05,746 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 20 [2021-10-11 00:31:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:05,747 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-10-11 00:31:05,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:31:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-10-11 00:31:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:05,747 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:05,748 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:05,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:05,973 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:05,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:05,973 INFO L82 PathProgramCache]: Analyzing trace with hash -331071005, now seen corresponding path program 3 times [2021-10-11 00:31:05,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:05,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170677672] [2021-10-11 00:31:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:31:06,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170677672] [2021-10-11 00:31:06,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005786801] [2021-10-11 00:31:06,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:06,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-11 00:31:06,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:06,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:31:06,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-11 00:31:06,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:06,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-10-11 00:31:06,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434322249] [2021-10-11 00:31:06,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:31:06,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:06,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:31:06,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:31:06,240 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 9 states. [2021-10-11 00:31:06,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:06,337 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2021-10-11 00:31:06,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:31:06,338 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2021-10-11 00:31:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:06,339 INFO L225 Difference]: With dead ends: 70 [2021-10-11 00:31:06,340 INFO L226 Difference]: Without dead ends: 54 [2021-10-11 00:31:06,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:31:06,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-10-11 00:31:06,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 30. [2021-10-11 00:31:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:31:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-10-11 00:31:06,357 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22 [2021-10-11 00:31:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:06,357 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-10-11 00:31:06,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:31:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-11 00:31:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:31:06,359 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:06,359 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:06,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:06,573 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:06,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:06,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1534672359, now seen corresponding path program 4 times [2021-10-11 00:31:06,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:06,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382610827] [2021-10-11 00:31:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 00:31:06,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382610827] [2021-10-11 00:31:06,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893419795] [2021-10-11 00:31:06,700 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:06,774 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-11 00:31:06,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:06,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:31:06,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-11 00:31:06,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:06,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-10-11 00:31:06,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869413115] [2021-10-11 00:31:06,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-10-11 00:31:06,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-11 00:31:06,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:31:06,884 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 11 states. [2021-10-11 00:31:06,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:06,997 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2021-10-11 00:31:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:31:06,998 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2021-10-11 00:31:06,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:07,002 INFO L225 Difference]: With dead ends: 85 [2021-10-11 00:31:07,003 INFO L226 Difference]: Without dead ends: 66 [2021-10-11 00:31:07,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:31:07,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-11 00:31:07,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 35. [2021-10-11 00:31:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:31:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2021-10-11 00:31:07,020 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 27 [2021-10-11 00:31:07,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:07,025 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2021-10-11 00:31:07,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-10-11 00:31:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2021-10-11 00:31:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:31:07,026 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:07,026 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:07,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:07,240 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:07,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1766720103, now seen corresponding path program 5 times [2021-10-11 00:31:07,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:07,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541691317] [2021-10-11 00:31:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-11 00:31:07,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541691317] [2021-10-11 00:31:07,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481574609] [2021-10-11 00:31:07,346 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:07,458 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-11 00:31:07,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:07,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:31:07,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-11 00:31:07,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:07,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-10-11 00:31:07,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685879882] [2021-10-11 00:31:07,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 00:31:07,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:07,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 00:31:07,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:31:07,595 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 13 states. [2021-10-11 00:31:07,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:07,746 INFO L93 Difference]: Finished difference Result 100 states and 112 transitions. [2021-10-11 00:31:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:31:07,746 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2021-10-11 00:31:07,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:07,747 INFO L225 Difference]: With dead ends: 100 [2021-10-11 00:31:07,747 INFO L226 Difference]: Without dead ends: 78 [2021-10-11 00:31:07,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:31:07,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-11 00:31:07,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 40. [2021-10-11 00:31:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-10-11 00:31:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-10-11 00:31:07,753 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 32 [2021-10-11 00:31:07,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:07,753 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-10-11 00:31:07,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 00:31:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2021-10-11 00:31:07,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:31:07,754 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:07,754 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:07,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:07,981 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:07,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:07,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1089794667, now seen corresponding path program 6 times [2021-10-11 00:31:07,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:07,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519721289] [2021-10-11 00:31:07,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-11 00:31:08,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519721289] [2021-10-11 00:31:08,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047945629] [2021-10-11 00:31:08,097 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:08,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-10-11 00:31:08,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:08,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-11 00:31:08,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-11 00:31:08,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:08,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-10-11 00:31:08,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291290308] [2021-10-11 00:31:08,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-10-11 00:31:08,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:08,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-11 00:31:08,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-10-11 00:31:08,332 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 15 states. [2021-10-11 00:31:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:08,633 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2021-10-11 00:31:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-11 00:31:08,633 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37 [2021-10-11 00:31:08,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:08,634 INFO L225 Difference]: With dead ends: 77 [2021-10-11 00:31:08,634 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 00:31:08,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2021-10-11 00:31:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 00:31:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2021-10-11 00:31:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 00:31:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2021-10-11 00:31:08,640 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 37 [2021-10-11 00:31:08,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:08,641 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2021-10-11 00:31:08,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-10-11 00:31:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2021-10-11 00:31:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 00:31:08,642 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:08,642 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:08,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:31:08,862 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:08,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:08,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1351978204, now seen corresponding path program 1 times [2021-10-11 00:31:08,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:08,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125467721] [2021-10-11 00:31:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-11 00:31:08,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125467721] [2021-10-11 00:31:08,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:08,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:08,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489872286] [2021-10-11 00:31:08,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:08,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:08,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:08,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:08,924 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 3 states. [2021-10-11 00:31:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:08,931 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2021-10-11 00:31:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:08,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-10-11 00:31:08,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:08,933 INFO L225 Difference]: With dead ends: 52 [2021-10-11 00:31:08,933 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 00:31:08,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:08,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 00:31:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 00:31:08,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 00:31:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2021-10-11 00:31:08,944 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 42 [2021-10-11 00:31:08,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:08,944 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2021-10-11 00:31:08,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2021-10-11 00:31:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-11 00:31:08,946 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:08,946 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:08,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:31:08,947 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:08,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:08,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2040020590, now seen corresponding path program 1 times [2021-10-11 00:31:08,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:08,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840028859] [2021-10-11 00:31:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-11 00:31:09,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840028859] [2021-10-11 00:31:09,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594249049] [2021-10-11 00:31:09,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:09,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 00:31:09,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-11 00:31:09,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:09,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-10-11 00:31:09,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741146749] [2021-10-11 00:31:09,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-10-11 00:31:09,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:09,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-11 00:31:09,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2021-10-11 00:31:09,475 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 18 states. [2021-10-11 00:31:09,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:09,525 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2021-10-11 00:31:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 00:31:09,526 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2021-10-11 00:31:09,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:09,527 INFO L225 Difference]: With dead ends: 76 [2021-10-11 00:31:09,527 INFO L226 Difference]: Without dead ends: 48 [2021-10-11 00:31:09,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2021-10-11 00:31:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-10-11 00:31:09,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2021-10-11 00:31:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:31:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2021-10-11 00:31:09,532 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 44 [2021-10-11 00:31:09,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:09,533 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2021-10-11 00:31:09,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2021-10-11 00:31:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2021-10-11 00:31:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-11 00:31:09,534 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:09,534 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:09,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-11 00:31:09,750 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash 461215856, now seen corresponding path program 2 times [2021-10-11 00:31:09,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:09,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299928709] [2021-10-11 00:31:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-11 00:31:09,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299928709] [2021-10-11 00:31:09,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293144378] [2021-10-11 00:31:09,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:10,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-11 00:31:10,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:10,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-11 00:31:10,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-11 00:31:10,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:10,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-10-11 00:31:10,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544728086] [2021-10-11 00:31:10,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-10-11 00:31:10,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:10,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-11 00:31:10,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2021-10-11 00:31:10,333 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 20 states. [2021-10-11 00:31:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:10,388 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2021-10-11 00:31:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:31:10,388 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 46 [2021-10-11 00:31:10,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:10,389 INFO L225 Difference]: With dead ends: 78 [2021-10-11 00:31:10,389 INFO L226 Difference]: Without dead ends: 50 [2021-10-11 00:31:10,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2021-10-11 00:31:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-11 00:31:10,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2021-10-11 00:31:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:31:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2021-10-11 00:31:10,394 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 46 [2021-10-11 00:31:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:10,395 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2021-10-11 00:31:10,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-10-11 00:31:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2021-10-11 00:31:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-11 00:31:10,396 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:10,396 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:10,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:10,613 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:10,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash -646678030, now seen corresponding path program 3 times [2021-10-11 00:31:10,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:10,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544310111] [2021-10-11 00:31:10,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-11 00:31:10,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544310111] [2021-10-11 00:31:10,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928052662] [2021-10-11 00:31:10,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:10,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-11 00:31:10,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:31:10,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-11 00:31:10,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:11,002 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-11 00:31:11,003 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 00:31:11,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:31:11,014 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:31:11,014 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2021-10-11 00:31:11,243 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:31:11,245 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-10-11 00:31:11,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 00:31:11,252 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-10-11 00:31:11,264 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:31:11,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 00:31:11,269 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:31:11,271 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:15 [2021-10-11 00:31:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-11 00:31:11,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:11,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2021-10-11 00:31:11,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061006585] [2021-10-11 00:31:11,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-10-11 00:31:11,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:11,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-11 00:31:11,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2021-10-11 00:31:11,357 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 19 states. [2021-10-11 00:31:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:14,553 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2021-10-11 00:31:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-11 00:31:14,555 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 48 [2021-10-11 00:31:14,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:14,556 INFO L225 Difference]: With dead ends: 69 [2021-10-11 00:31:14,556 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:14,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=494, Invalid=1486, Unknown=0, NotChecked=0, Total=1980 [2021-10-11 00:31:14,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:14,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-10-11 00:31:14,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:14,558 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:14,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-10-11 00:31:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:14,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:14,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:14,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:14,988 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-10-11 00:31:15,067 INFO L262 CegarLoopResult]: For program point L35-2(lines 35 41) no Hoare annotation was computed. [2021-10-11 00:31:15,068 INFO L258 CegarLoopResult]: At program point L35-3(lines 35 41) the Hoare annotation is: (let ((.cse0 (exists ((v_ULTIMATE.start_init_~i~0_26 Int)) (and (<= 99999 v_ULTIMATE.start_init_~i~0_26) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* v_ULTIMATE.start_init_~i~0_26 4))) 0)) (< v_ULTIMATE.start_init_~i~0_26 100000)))) (.cse1 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse2 (= |ULTIMATE.start_main_~#a~0.offset| 0)) (.cse3 (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset)) (.cse4 (= ULTIMATE.start_main_~flag~0 0)) (.cse5 (= ULTIMATE.start_init_~size 100000)) (.cse6 (exists ((v_ULTIMATE.start_init_~i~0_26 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* v_ULTIMATE.start_init_~i~0_26 4))) 0)) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_26 1)) (< v_ULTIMATE.start_init_~i~0_26 ULTIMATE.start_init_~size))))) (or (and .cse0 .cse1 (< ULTIMATE.start_main_~i~1 100000) .cse2 .cse3 .cse4 .cse5 .cse6 (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) |ULTIMATE.start_main_~#a~0.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#a~0.base|) |ULTIMATE.start_main_~#a~0.offset|) 0)) (<= 1 ULTIMATE.start_main_~flag~0) (and .cse0 .cse1 (= ULTIMATE.start_main_~i~1 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-11 00:31:15,068 INFO L262 CegarLoopResult]: For program point L35-4(lines 35 41) no Hoare annotation was computed. [2021-10-11 00:31:15,068 INFO L262 CegarLoopResult]: For program point L23-2(lines 23 26) no Hoare annotation was computed. [2021-10-11 00:31:15,068 INFO L258 CegarLoopResult]: At program point L23-3(lines 23 26) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse1 (= |ULTIMATE.start_main_~#a~0.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset)) (.cse3 (= ULTIMATE.start_main_~flag~0 0)) (.cse4 (= ULTIMATE.start_init_~size 100000))) (or (and (= ULTIMATE.start_init_~i~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v_ULTIMATE.start_init_~i~0_26 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* v_ULTIMATE.start_init_~i~0_26 4))) 0)) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_26 1)) (< v_ULTIMATE.start_init_~i~0_26 ULTIMATE.start_init_~size)))))) [2021-10-11 00:31:15,068 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-11 00:31:15,068 INFO L262 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-10-11 00:31:15,068 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point L20(lines 20 27) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point L42-2(lines 42 46) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L258 CegarLoopResult]: At program point L42-3(lines 42 46) the Hoare annotation is: (<= 1 ULTIMATE.start_main_~flag~0) [2021-10-11 00:31:15,069 INFO L262 CegarLoopResult]: For program point L42-4(lines 42 46) no Hoare annotation was computed. [2021-10-11 00:31:15,069 INFO L265 CegarLoopResult]: At program point L47(lines 28 48) the Hoare annotation is: true [2021-10-11 00:31:15,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:31:15,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:15 BoogieIcfgContainer [2021-10-11 00:31:15,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:15,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:15,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:15,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:15,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:03" (3/4) ... [2021-10-11 00:31:15,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:15,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-11 00:31:15,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:15,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:15,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:15,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((i == 0 && a == a) && a == 0) && a == a) && flag == 0) && size == 100000) || (((((a == a && a == 0) && a == a) && flag == 0) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_26 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_26 + 1) && v_ULTIMATE.start_init_~i~0_26 < size)) [2021-10-11 00:31:15,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\exists v_ULTIMATE.start_init_~i~0_26 : int :: (99999 <= v_ULTIMATE.start_init_~i~0_26 && !(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0)) && v_ULTIMATE.start_init_~i~0_26 < 100000) && a == a) && i < 100000) && a == 0) && a == a) && flag == 0) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_26 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_26 + 1) && v_ULTIMATE.start_init_~i~0_26 < size)) && #memory_$Pointer$[a][a] == 0) && #memory_$Pointer$[a][a] == 0) || 1 <= flag) || ((((((((\exists v_ULTIMATE.start_init_~i~0_26 : int :: (99999 <= v_ULTIMATE.start_init_~i~0_26 && !(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0)) && v_ULTIMATE.start_init_~i~0_26 < 100000) && a == a) && i == 0) && a == 0) && a == a) && flag == 0) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_26 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_26 + 1) && v_ULTIMATE.start_init_~i~0_26 < size)) [2021-10-11 00:31:15,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ed08a2-b7b9-444c-89d6-9672c220cb9d/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:15,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:15,148 INFO L168 Benchmark]: Toolchain (without parser) took 12082.13 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 64.6 MB in the beginning and 102.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,149 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 77.6 MB. Free memory was 49.2 MB in the beginning and 49.1 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:15,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.18 ms. Allocated memory is still 98.6 MB. Free memory was 64.6 MB in the beginning and 74.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.89 ms. Allocated memory is still 98.6 MB. Free memory was 74.7 MB in the beginning and 73.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:15,150 INFO L168 Benchmark]: Boogie Preprocessor took 23.40 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 71.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,150 INFO L168 Benchmark]: RCFGBuilder took 317.36 ms. Allocated memory is still 98.6 MB. Free memory was 71.7 MB in the beginning and 57.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,151 INFO L168 Benchmark]: TraceAbstraction took 11408.36 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 56.5 MB in the beginning and 104.7 MB in the end (delta: -48.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,151 INFO L168 Benchmark]: Witness Printer took 49.75 ms. Allocated memory is still 174.1 MB. Free memory was 104.7 MB in the beginning and 102.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 77.6 MB. Free memory was 49.2 MB in the beginning and 49.1 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 237.18 ms. Allocated memory is still 98.6 MB. Free memory was 64.6 MB in the beginning and 74.7 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.89 ms. Allocated memory is still 98.6 MB. Free memory was 74.7 MB in the beginning and 73.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.40 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 71.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 317.36 ms. Allocated memory is still 98.6 MB. Free memory was 71.7 MB in the beginning and 57.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11408.36 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 56.5 MB in the beginning and 104.7 MB in the end (delta: -48.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Witness Printer took 49.75 ms. Allocated memory is still 174.1 MB. Free memory was 104.7 MB in the beginning and 102.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2021-10-11 00:31:15,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:31:15,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:31:15,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] Derived loop invariant: (((((((((((\exists v_ULTIMATE.start_init_~i~0_26 : int :: (99999 <= v_ULTIMATE.start_init_~i~0_26 && !(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0)) && v_ULTIMATE.start_init_~i~0_26 < 100000) && a == a) && i < 100000) && a == 0) && a == a) && flag == 0) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_26 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_26 + 1) && v_ULTIMATE.start_init_~i~0_26 < size)) && #memory_$Pointer$[a][a] == 0) && #memory_$Pointer$[a][a] == 0) || 1 <= flag) || ((((((((\exists v_ULTIMATE.start_init_~i~0_26 : int :: (99999 <= v_ULTIMATE.start_init_~i~0_26 && !(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0)) && v_ULTIMATE.start_init_~i~0_26 < 100000) && a == a) && i == 0) && a == 0) && a == a) && flag == 0) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_26 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_26 + 1) && v_ULTIMATE.start_init_~i~0_26 < size)) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 <= flag - InvariantResult [Line: 23]: Loop Invariant [2021-10-11 00:31:15,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:31:15,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] [2021-10-11 00:31:15,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_26,QUANTIFIED] Derived loop invariant: (((((i == 0 && a == a) && a == 0) && a == a) && flag == 0) && size == 100000) || (((((a == a && a == 0) && a == a) && flag == 0) && size == 100000) && (\exists v_ULTIMATE.start_init_~i~0_26 : int :: (!(#memory_$Pointer$[a][a + v_ULTIMATE.start_init_~i~0_26 * 4] == 0) && i <= v_ULTIMATE.start_init_~i~0_26 + 1) && v_ULTIMATE.start_init_~i~0_26 < size)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 210 SDtfs, 287 SDslu, 630 SDs, 0 SdLazy, 554 SolverSat, 77 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 130 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 23 NumberOfFragments, 202 HoareAnnotationTreeSize, 4 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 686 NumberOfCodeBlocks, 651 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 662 ConstructedInterpolants, 15 QuantifiedInterpolants, 93071 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1546 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 567/1049 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...