./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD --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 64bit --witnessprinter.graph.data.programhash b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:13:40,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:13:40,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:13:40,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:13:40,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:13:40,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:13:40,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:13:40,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:13:40,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:13:40,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:13:40,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:13:40,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:13:40,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:13:40,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:13:40,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:13:40,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:13:40,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:13:40,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:13:40,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:13:40,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:13:40,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:13:40,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:13:40,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:13:40,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:13:40,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:13:40,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:13:40,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:13:40,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:13:40,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:13:40,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:13:40,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:13:40,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:13:40,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:13:40,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:13:40,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:13:40,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:13:40,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:13:40,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:13:40,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:13:40,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:13:40,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:13:40,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 23:13:40,895 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:13:40,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:13:40,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:13:40,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:13:40,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:13:40,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:13:40,897 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:13:40,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:13:40,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:13:40,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:13:40,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:13:40,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:13:40,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:13:40,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:13:40,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:13:40,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:13:40,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:13:40,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:13:40,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:13:40,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:13:40,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:13:40,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:13:40,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:13:40,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:13:40,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:13:40,908 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:13:40,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:13:40,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:13:40,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:13:40,910 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_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 [2021-10-28 23:13:41,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:13:41,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:13:41,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:13:41,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:13:41,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:13:41,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2021-10-28 23:13:41,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/data/bd0afc766/e09ec3122e274fcfae8081d96a6d61cc/FLAGab05c469f [2021-10-28 23:13:42,094 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:13:42,100 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2021-10-28 23:13:42,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/data/bd0afc766/e09ec3122e274fcfae8081d96a6d61cc/FLAGab05c469f [2021-10-28 23:13:42,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/data/bd0afc766/e09ec3122e274fcfae8081d96a6d61cc [2021-10-28 23:13:42,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:13:42,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:13:42,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:42,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:13:42,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:13:42,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:42" (1/1) ... [2021-10-28 23:13:42,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d98db25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:42, skipping insertion in model container [2021-10-28 23:13:42,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:42" (1/1) ... [2021-10-28 23:13:42,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:13:42,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:13:43,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2021-10-28 23:13:43,046 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2021-10-28 23:13:43,071 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:13:43,077 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:13:44,059 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,060 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,060 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,061 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,062 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,073 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,074 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,075 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,076 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,538 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:13:44,550 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:13:44,551 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:13:44,553 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:13:44,572 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:13:44,573 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:13:44,574 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:13:44,575 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:13:44,575 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:13:44,576 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:13:44,744 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:13:44,863 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,864 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:44,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:44,975 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:13:44,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2021-10-28 23:13:44,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2021-10-28 23:13:44,992 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:13:44,993 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:13:45,027 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,028 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,028 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,029 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,029 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,043 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,043 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,044 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,045 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:13:45,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:13:45,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:13:45,118 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:13:45,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:13:45,120 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:13:45,122 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:13:45,123 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:13:45,124 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:13:45,127 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:13:45,197 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:13:45,338 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,338 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:13:45,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:45,605 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:13:45,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45 WrapperNode [2021-10-28 23:13:45,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:45,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:45,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:13:45,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:13:45,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:45,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:13:45,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:13:45,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:13:45,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:13:45,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:13:45,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:13:45,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:13:45,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (1/1) ... [2021-10-28 23:13:45,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:13:45,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:45,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:46,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:13:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:13:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:13:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:13:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:13:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:13:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:13:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:13:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:13:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:13:46,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:13:46,818 INFO L299 CfgBuilder]: Removed 71 assume(true) statements. [2021-10-28 23:13:46,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:46 BoogieIcfgContainer [2021-10-28 23:13:46,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:13:46,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:13:46,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:13:46,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:13:46,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:13:42" (1/3) ... [2021-10-28 23:13:46,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebb02d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:13:46, skipping insertion in model container [2021-10-28 23:13:46,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:45" (2/3) ... [2021-10-28 23:13:46,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebb02d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:13:46, skipping insertion in model container [2021-10-28 23:13:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:46" (3/3) ... [2021-10-28 23:13:46,829 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_c_str_harness.i [2021-10-28 23:13:46,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:13:46,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-28 23:13:46,882 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:13:46,887 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:13:46,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-28 23:13:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 80 states have (on average 1.4375) internal successors, (115), 85 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:46,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:13:46,910 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:46,910 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:46,911 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:46,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1267490943, now seen corresponding path program 1 times [2021-10-28 23:13:46,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:46,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226547385] [2021-10-28 23:13:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:46,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:47,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:47,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226547385] [2021-10-28 23:13:47,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226547385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:47,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:47,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:13:47,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858257188] [2021-10-28 23:13:47,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:13:47,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:13:47,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:13:47,379 INFO L87 Difference]: Start difference. First operand has 86 states, 80 states have (on average 1.4375) internal successors, (115), 85 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:47,401 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2021-10-28 23:13:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:13:47,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 23:13:47,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:47,412 INFO L225 Difference]: With dead ends: 166 [2021-10-28 23:13:47,412 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:47,415 INFO L786 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 [2021-10-28 23:13:47,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 79 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2021-10-28 23:13:47,453 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 22 [2021-10-28 23:13:47,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:47,453 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2021-10-28 23:13:47,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-10-28 23:13:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:13:47,455 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:47,455 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:47,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:13:47,456 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:47,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:47,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1009325505, now seen corresponding path program 1 times [2021-10-28 23:13:47,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:47,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116052109] [2021-10-28 23:13:47,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:47,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:47,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:47,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116052109] [2021-10-28 23:13:47,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116052109] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:47,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:47,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:13:47,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90277569] [2021-10-28 23:13:47,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:13:47,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:13:47,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:13:47,711 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:47,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:47,747 INFO L93 Difference]: Finished difference Result 144 states and 166 transitions. [2021-10-28 23:13:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:13:47,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 23:13:47,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:47,750 INFO L225 Difference]: With dead ends: 144 [2021-10-28 23:13:47,750 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:47,751 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:13:47,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:47,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 79 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2021-10-28 23:13:47,764 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 22 [2021-10-28 23:13:47,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:47,765 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2021-10-28 23:13:47,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-10-28 23:13:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:13:47,768 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:47,768 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:47,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:13:47,769 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2090456739, now seen corresponding path program 1 times [2021-10-28 23:13:47,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:47,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790345893] [2021-10-28 23:13:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:47,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:48,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:48,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790345893] [2021-10-28 23:13:48,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790345893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:48,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:48,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 23:13:48,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575042377] [2021-10-28 23:13:48,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:13:48,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:48,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:13:48,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:13:48,039 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:48,279 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2021-10-28 23:13:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:13:48,280 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:13:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:48,281 INFO L225 Difference]: With dead ends: 110 [2021-10-28 23:13:48,281 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:48,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:13:48,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.2) internal successors, (90), 79 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2021-10-28 23:13:48,292 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 33 [2021-10-28 23:13:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:48,293 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2021-10-28 23:13:48,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-10-28 23:13:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:13:48,294 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:48,295 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:48,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:13:48,295 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:48,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:48,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1931203523, now seen corresponding path program 1 times [2021-10-28 23:13:48,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:48,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468052547] [2021-10-28 23:13:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:48,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:48,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:48,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468052547] [2021-10-28 23:13:48,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468052547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:48,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:48,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:13:48,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835006608] [2021-10-28 23:13:48,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:13:48,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:48,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:13:48,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:13:48,441 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:48,503 INFO L93 Difference]: Finished difference Result 132 states and 150 transitions. [2021-10-28 23:13:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:13:48,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 23:13:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:48,506 INFO L225 Difference]: With dead ends: 132 [2021-10-28 23:13:48,506 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:48,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:13:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:48,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 79 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2021-10-28 23:13:48,522 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 34 [2021-10-28 23:13:48,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:48,523 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2021-10-28 23:13:48,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2021-10-28 23:13:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-28 23:13:48,527 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:48,527 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:48,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:13:48,528 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:48,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:48,530 INFO L85 PathProgramCache]: Analyzing trace with hash 268760160, now seen corresponding path program 1 times [2021-10-28 23:13:48,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:48,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063895404] [2021-10-28 23:13:48,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:48,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:48,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:48,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063895404] [2021-10-28 23:13:48,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063895404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:48,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:48,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 23:13:48,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091365986] [2021-10-28 23:13:48,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:13:48,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:13:48,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:13:48,766 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:48,937 INFO L93 Difference]: Finished difference Result 125 states and 139 transitions. [2021-10-28 23:13:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:13:48,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-10-28 23:13:48,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:48,943 INFO L225 Difference]: With dead ends: 125 [2021-10-28 23:13:48,943 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:48,947 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:13:48,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 79 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2021-10-28 23:13:48,965 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2021-10-28 23:13:48,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:48,965 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2021-10-28 23:13:48,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-10-28 23:13:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-28 23:13:48,966 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:48,966 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:48,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:13:48,967 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:48,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:48,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1742888769, now seen corresponding path program 1 times [2021-10-28 23:13:48,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:48,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949029764] [2021-10-28 23:13:48,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:48,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:49,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:49,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949029764] [2021-10-28 23:13:49,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949029764] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:49,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:49,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-28 23:13:49,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858599451] [2021-10-28 23:13:49,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:13:49,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:49,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:13:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:13:49,240 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:49,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:49,523 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2021-10-28 23:13:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:13:49,526 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-28 23:13:49,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:49,528 INFO L225 Difference]: With dead ends: 110 [2021-10-28 23:13:49,528 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:49,528 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2021-10-28 23:13:49,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:49,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.16) internal successors, (87), 79 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2021-10-28 23:13:49,540 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 48 [2021-10-28 23:13:49,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:49,542 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2021-10-28 23:13:49,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:49,543 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2021-10-28 23:13:49,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 23:13:49,551 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:49,551 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:49,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:13:49,551 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:49,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:49,552 INFO L85 PathProgramCache]: Analyzing trace with hash -300657421, now seen corresponding path program 1 times [2021-10-28 23:13:49,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:49,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882412951] [2021-10-28 23:13:49,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:49,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:49,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:49,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882412951] [2021-10-28 23:13:49,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882412951] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:49,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:49,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-28 23:13:49,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167897757] [2021-10-28 23:13:49,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-28 23:13:49,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:49,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 23:13:49,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:13:49,809 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:50,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:50,079 INFO L93 Difference]: Finished difference Result 129 states and 141 transitions. [2021-10-28 23:13:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:13:50,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-28 23:13:50,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:50,080 INFO L225 Difference]: With dead ends: 129 [2021-10-28 23:13:50,080 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 23:13:50,081 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2021-10-28 23:13:50,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 23:13:50,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 23:13:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.1066666666666667) internal successors, (83), 79 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2021-10-28 23:13:50,087 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 55 [2021-10-28 23:13:50,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:50,087 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2021-10-28 23:13:50,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2021-10-28 23:13:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 23:13:50,088 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:13:50,088 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:50,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:13:50,089 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:13:50,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash -168490957, now seen corresponding path program 1 times [2021-10-28 23:13:50,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:50,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648668342] [2021-10-28 23:13:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:50,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:50,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:50,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648668342] [2021-10-28 23:13:50,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648668342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:50,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:50,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:13:50,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317365925] [2021-10-28 23:13:50,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:13:50,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:50,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:13:50,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:13:50,522 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:50,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:50,601 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2021-10-28 23:13:50,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:13:50,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-28 23:13:50,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:13:50,602 INFO L225 Difference]: With dead ends: 80 [2021-10-28 23:13:50,602 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:13:50,603 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:13:50,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:13:50,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:13:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:13:50,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-10-28 23:13:50,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:13:50,604 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:13:50,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:13:50,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:13:50,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:13:50,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:13:50,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:13:50,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:13:50,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:13:50,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:13:50,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:13:50,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:13:50,749 INFO L857 garLoopResultBuilder]: For program point L8095-4(lines 8095 8108) no Hoare annotation was computed. [2021-10-28 23:13:50,749 INFO L853 garLoopResultBuilder]: At program point L8095-3(lines 8095 8108) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-10-28 23:13:50,750 INFO L857 garLoopResultBuilder]: For program point L8095-2(lines 8095 8108) no Hoare annotation was computed. [2021-10-28 23:13:50,750 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,750 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:13:50,750 INFO L853 garLoopResultBuilder]: At program point L6891(lines 6890 6892) the Hoare annotation is: false [2021-10-28 23:13:50,750 INFO L857 garLoopResultBuilder]: For program point L8097(lines 8097 8101) no Hoare annotation was computed. [2021-10-28 23:13:50,751 INFO L853 garLoopResultBuilder]: At program point L6827(lines 6819 6828) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-10-28 23:13:50,751 INFO L860 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2021-10-28 23:13:50,751 INFO L857 garLoopResultBuilder]: For program point L6811(lines 6811 6812) no Hoare annotation was computed. [2021-10-28 23:13:50,751 INFO L857 garLoopResultBuilder]: For program point L6811-2(lines 6811 6812) no Hoare annotation was computed. [2021-10-28 23:13:50,751 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:13:50,751 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:13:50,751 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:13:50,752 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 7102 7112) no Hoare annotation was computed. [2021-10-28 23:13:50,753 INFO L857 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:13:50,753 INFO L857 garLoopResultBuilder]: For program point L7589(lines 7589 7597) no Hoare annotation was computed. [2021-10-28 23:13:50,753 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:13:50,753 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,753 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,754 INFO L857 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,755 INFO L857 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,755 INFO L857 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2021-10-28 23:13:50,755 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,755 INFO L857 garLoopResultBuilder]: For program point L8912(lines 8912 8913) no Hoare annotation was computed. [2021-10-28 23:13:50,756 INFO L857 garLoopResultBuilder]: For program point L8912-2(lines 8912 8913) no Hoare annotation was computed. [2021-10-28 23:13:50,756 INFO L857 garLoopResultBuilder]: For program point L8103(lines 8103 8107) no Hoare annotation was computed. [2021-10-28 23:13:50,756 INFO L853 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: false [2021-10-28 23:13:50,756 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,756 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:13:50,756 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,757 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,757 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,757 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,757 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,757 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,758 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,758 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,758 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:13:50,758 INFO L853 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2021-10-28 23:13:50,758 INFO L857 garLoopResultBuilder]: For program point L8915(lines 8915 8916) no Hoare annotation was computed. [2021-10-28 23:13:50,758 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,759 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,759 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,762 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,763 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,763 INFO L857 garLoopResultBuilder]: For program point L8915-2(lines 8915 8916) no Hoare annotation was computed. [2021-10-28 23:13:50,763 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,763 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,763 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,764 INFO L860 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: true [2021-10-28 23:13:50,764 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,764 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-10-28 23:13:50,764 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-10-28 23:13:50,764 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-10-28 23:13:50,764 INFO L857 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,765 INFO L857 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,765 INFO L857 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,765 INFO L853 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-10-28 23:13:50,765 INFO L857 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,765 INFO L857 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,765 INFO L857 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,766 INFO L857 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,766 INFO L857 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-10-28 23:13:50,766 INFO L853 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: false [2021-10-28 23:13:50,767 INFO L857 garLoopResultBuilder]: For program point L7579(line 7579) no Hoare annotation was computed. [2021-10-28 23:13:50,768 INFO L857 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-10-28 23:13:50,770 INFO L857 garLoopResultBuilder]: For program point L7579-2(line 7579) no Hoare annotation was computed. [2021-10-28 23:13:50,770 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:13:50,770 INFO L857 garLoopResultBuilder]: For program point L7580(lines 7580 7588) no Hoare annotation was computed. [2021-10-28 23:13:50,770 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:13:50,771 INFO L853 garLoopResultBuilder]: At program point L6804(lines 6801 6805) the Hoare annotation is: false [2021-10-28 23:13:50,772 INFO L857 garLoopResultBuilder]: For program point L8918(lines 8918 8923) no Hoare annotation was computed. [2021-10-28 23:13:50,772 INFO L853 garLoopResultBuilder]: At program point L6887-1(lines 6883 6888) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-10-28 23:13:50,772 INFO L853 garLoopResultBuilder]: At program point L6887(lines 6883 6888) the Hoare annotation is: false [2021-10-28 23:13:50,772 INFO L853 garLoopResultBuilder]: At program point L8110(lines 8078 8111) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-10-28 23:13:50,773 INFO L853 garLoopResultBuilder]: At program point L7598(lines 7577 7599) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0))) (or (and (not .cse0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.offset 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res.base| 0)) (not (= ULTIMATE.start_aws_string_eq_c_str_~str.base 0)) (= ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0.base 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_#res.base| 0)) (not (= ULTIMATE.start_ensure_string_is_allocated_~str~0.base 0))) (and .cse0 (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)))) [2021-10-28 23:13:50,773 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 16 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-10-28 23:13:50,773 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: (and (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.base 0) (= ULTIMATE.start_aws_string_eq_c_str_harness_~str~3.offset 0)) [2021-10-28 23:13:50,773 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-10-28 23:13:50,776 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:50,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:13:50,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:13:50 BoogieIcfgContainer [2021-10-28 23:13:50,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:13:50,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:13:50,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:13:50,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:13:50,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:46" (3/4) ... [2021-10-28 23:13:50,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:13:50,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2021-10-28 23:13:50,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 23:13:50,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:13:50,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:13:50,892 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-10-28 23:13:50,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-10-28 23:13:50,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-10-28 23:13:50,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) [2021-10-28 23:13:51,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:13:51,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:13:51,108 INFO L168 Benchmark]: Toolchain (without parser) took 8503.83 ms. Allocated memory was 96.5 MB in the beginning and 205.5 MB in the end (delta: 109.1 MB). Free memory was 66.1 MB in the beginning and 142.5 MB in the end (delta: -76.4 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,109 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:13:51,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3000.18 ms. Allocated memory was 96.5 MB in the beginning and 169.9 MB in the end (delta: 73.4 MB). Free memory was 65.9 MB in the beginning and 89.9 MB in the end (delta: -23.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 249.40 ms. Allocated memory is still 169.9 MB. Free memory was 89.9 MB in the beginning and 79.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,110 INFO L168 Benchmark]: Boogie Preprocessor took 67.41 ms. Allocated memory is still 169.9 MB. Free memory was 79.7 MB in the beginning and 75.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,110 INFO L168 Benchmark]: RCFGBuilder took 895.99 ms. Allocated memory is still 169.9 MB. Free memory was 75.5 MB in the beginning and 80.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,111 INFO L168 Benchmark]: TraceAbstraction took 3996.93 ms. Allocated memory was 169.9 MB in the beginning and 205.5 MB in the end (delta: 35.7 MB). Free memory was 78.9 MB in the beginning and 111.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,111 INFO L168 Benchmark]: Witness Printer took 287.45 ms. Allocated memory is still 205.5 MB. Free memory was 111.2 MB in the beginning and 142.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:13:51,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3000.18 ms. Allocated memory was 96.5 MB in the beginning and 169.9 MB in the end (delta: 73.4 MB). Free memory was 65.9 MB in the beginning and 89.9 MB in the end (delta: -23.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 249.40 ms. Allocated memory is still 169.9 MB. Free memory was 89.9 MB in the beginning and 79.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.41 ms. Allocated memory is still 169.9 MB. Free memory was 79.7 MB in the beginning and 75.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 895.99 ms. Allocated memory is still 169.9 MB. Free memory was 75.5 MB in the beginning and 80.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3996.93 ms. Allocated memory was 169.9 MB in the beginning and 205.5 MB in the end (delta: 35.7 MB). Free memory was 78.9 MB in the beginning and 111.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Witness Printer took 287.45 ms. Allocated memory is still 205.5 MB. Free memory was 111.2 MB in the beginning and 142.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 572 SDtfs, 1696 SDslu, 1249 SDs, 0 SdLazy, 307 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 62, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 32 NumberOfFragments, 197 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 6801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 8078]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16 == max_size - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 6890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 7577]: Loop Invariant Derived loop invariant: (((((((!(str == 0) && !(\result == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) && c_str == 0) && !(\result == 0)) && !(str == 0)) || (str == 0 && str == 0) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:13:51,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5eb69e00-893c-47ce-ac06-ae32cdcf5ccb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...