./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ --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 bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:55:38,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:55:38,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:55:38,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:55:38,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:55:38,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:55:38,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:55:38,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:55:38,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:55:38,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:55:38,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:55:38,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:55:38,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:55:38,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:55:38,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:55:38,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:55:38,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:55:38,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:55:38,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:55:38,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:55:38,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:55:38,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:55:38,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:55:38,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:55:38,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:55:38,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:55:38,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:55:38,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:55:38,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:55:38,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:55:38,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:55:38,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:55:38,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:55:38,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:55:38,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:55:38,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:55:38,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:55:38,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:55:38,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:55:38,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:55:38,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:55:38,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:55:38,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:55:38,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:55:38,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:55:38,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:55:38,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:55:38,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:55:38,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:55:38,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:55:38,879 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:55:38,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:55:38,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:55:38,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:55:38,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:55:38,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:55:38,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:55:38,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:55:38,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:55:38,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:55:38,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:55:38,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:55:38,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:55:38,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:55:38,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:55:38,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:55:38,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:55:38,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:55:38,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:55:38,896 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:55:38,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:55:38,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:55:38,897 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_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2022-10-17 10:55:39,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:55:39,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:55:39,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:55:39,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:55:39,180 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:55:39,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-10-17 10:55:39,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/0e9085061/943daa008a0043d488483ee817cb95fe/FLAG4ac15a13d [2022-10-17 10:55:40,033 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:55:40,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-10-17 10:55:40,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/0e9085061/943daa008a0043d488483ee817cb95fe/FLAG4ac15a13d [2022-10-17 10:55:40,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/0e9085061/943daa008a0043d488483ee817cb95fe [2022-10-17 10:55:40,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:55:40,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:55:40,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:55:40,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:55:40,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:55:40,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:40" (1/1) ... [2022-10-17 10:55:40,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602c89cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:40, skipping insertion in model container [2022-10-17 10:55:40,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:40" (1/1) ... [2022-10-17 10:55:40,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:55:40,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:55:40,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-10-17 10:55:40,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-10-17 10:55:41,748 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,749 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,750 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,751 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,752 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,767 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,768 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,770 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,771 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,773 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,774 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,775 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:41,776 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,114 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:55:42,116 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:55:42,117 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:55:42,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:55:42,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:55:42,121 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:55:42,122 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:55:42,122 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:55:42,123 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:55:42,124 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:55:42,288 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:55:42,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:55:42,355 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:55:42,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-10-17 10:55:42,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-10-17 10:55:42,455 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,456 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,456 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,457 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,458 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,467 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,468 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,469 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,470 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,471 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,472 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,473 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,473 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:55:42,537 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:55:42,539 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:55:42,540 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:55:42,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:55:42,549 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:55:42,549 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:55:42,552 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:55:42,553 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:55:42,554 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:55:42,555 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:55:42,601 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:55:42,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:55:42,919 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:55:42,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42 WrapperNode [2022-10-17 10:55:42,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:55:42,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:55:42,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:55:42,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:55:42,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,104 INFO L138 Inliner]: procedures = 679, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 225 [2022-10-17 10:55:43,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:55:43,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:55:43,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:55:43,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:55:43,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:55:43,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:55:43,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:55:43,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:55:43,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (1/1) ... [2022-10-17 10:55:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:55:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:43,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:55:43,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:55:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-10-17 10:55:43,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-10-17 10:55:43,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2022-10-17 10:55:43,290 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2022-10-17 10:55:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:55:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:55:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 10:55:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 10:55:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-10-17 10:55:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-10-17 10:55:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:55:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2022-10-17 10:55:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2022-10-17 10:55:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:55:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:55:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:55:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:55:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2022-10-17 10:55:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2022-10-17 10:55:43,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:55:43,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:55:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:55:43,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:55:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:55:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:55:43,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:55:43,297 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-10-17 10:55:43,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-10-17 10:55:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-10-17 10:55:43,298 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-10-17 10:55:43,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:55:43,634 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:55:43,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:55:44,040 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:55:44,049 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:55:44,049 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:55:44,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:55:44 BoogieIcfgContainer [2022-10-17 10:55:44,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:55:44,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:55:44,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:55:44,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:55:44,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:55:40" (1/3) ... [2022-10-17 10:55:44,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538e58fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:55:44, skipping insertion in model container [2022-10-17 10:55:44,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:42" (2/3) ... [2022-10-17 10:55:44,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538e58fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:55:44, skipping insertion in model container [2022-10-17 10:55:44,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:55:44" (3/3) ... [2022-10-17 10:55:44,062 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_pop_back_harness.i [2022-10-17 10:55:44,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:55:44,081 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:55:44,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:55:44,145 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@591a986d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:55:44,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:55:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-10-17 10:55:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 10:55:44,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:55:44,165 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-17 10:55:44,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:55:44,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:55:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1579343520, now seen corresponding path program 1 times [2022-10-17 10:55:44,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:55:44,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549313689] [2022-10-17 10:55:44,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:44,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:55:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:55:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:55:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:55:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:55:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:55:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-17 10:55:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-17 10:55:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:55:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:55:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:55:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:55:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:55:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:55:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-10-17 10:55:45,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:55:45,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549313689] [2022-10-17 10:55:45,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549313689] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:55:45,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071246941] [2022-10-17 10:55:45,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:45,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:45,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:55:45,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:55:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:45,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:55:45,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:55:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-10-17 10:55:45,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:55:45,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071246941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:55:45,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:55:45,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2022-10-17 10:55:45,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631022281] [2022-10-17 10:55:45,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:55:45,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:55:45,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:55:45,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:55:45,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:55:45,675 INFO L87 Difference]: Start difference. First operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 10:55:45,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:55:45,820 INFO L93 Difference]: Finished difference Result 274 states and 414 transitions. [2022-10-17 10:55:45,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:55:45,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-10-17 10:55:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:55:45,842 INFO L225 Difference]: With dead ends: 274 [2022-10-17 10:55:45,842 INFO L226 Difference]: Without dead ends: 140 [2022-10-17 10:55:45,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:55:45,851 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 12 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:55:45,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 536 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:55:45,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-10-17 10:55:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2022-10-17 10:55:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-10-17 10:55:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 180 transitions. [2022-10-17 10:55:45,906 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 180 transitions. Word has length 116 [2022-10-17 10:55:45,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:55:45,908 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 180 transitions. [2022-10-17 10:55:45,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 10:55:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2022-10-17 10:55:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 10:55:45,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:55:45,912 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-17 10:55:45,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:55:46,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-17 10:55:46,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:55:46,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:55:46,131 INFO L85 PathProgramCache]: Analyzing trace with hash -183799078, now seen corresponding path program 1 times [2022-10-17 10:55:46,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:55:46,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296452066] [2022-10-17 10:55:46,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:55:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:55:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:55:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:55:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:55:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:55:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-17 10:55:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-17 10:55:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:55:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:55:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:55:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:55:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:55:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:55:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-10-17 10:55:46,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:55:46,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296452066] [2022-10-17 10:55:46,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296452066] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:55:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9511599] [2022-10-17 10:55:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:46,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:46,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:46,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:55:46,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:55:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:46,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:55:46,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:55:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-10-17 10:55:46,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:55:46,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9511599] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:55:46,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:55:46,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2022-10-17 10:55:46,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300537402] [2022-10-17 10:55:46,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:55:46,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:55:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:55:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:55:46,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:55:46,865 INFO L87 Difference]: Start difference. First operand 134 states and 180 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 10:55:46,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:55:46,904 INFO L93 Difference]: Finished difference Result 252 states and 345 transitions. [2022-10-17 10:55:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:55:46,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-10-17 10:55:46,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:55:46,908 INFO L225 Difference]: With dead ends: 252 [2022-10-17 10:55:46,908 INFO L226 Difference]: Without dead ends: 138 [2022-10-17 10:55:46,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:55:46,912 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 3 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:55:46,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 520 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:55:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-17 10:55:46,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2022-10-17 10:55:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-10-17 10:55:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2022-10-17 10:55:46,941 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 116 [2022-10-17 10:55:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:55:46,941 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2022-10-17 10:55:46,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 10:55:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2022-10-17 10:55:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 10:55:46,946 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:55:46,946 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-17 10:55:46,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:55:47,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:47,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:55:47,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:55:47,153 INFO L85 PathProgramCache]: Analyzing trace with hash -543175276, now seen corresponding path program 1 times [2022-10-17 10:55:47,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:55:47,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558693581] [2022-10-17 10:55:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:55:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:55:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:55:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:55:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:55:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:55:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-17 10:55:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-17 10:55:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:55:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:55:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:55:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:55:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:55:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:55:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-17 10:55:48,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:55:48,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558693581] [2022-10-17 10:55:48,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558693581] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:55:48,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439271224] [2022-10-17 10:55:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:48,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:48,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:48,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:55:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 10:55:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:48,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 10:55:48,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:55:49,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 10:55:49,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-10-17 10:55:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-17 10:55:49,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:55:49,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439271224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:55:49,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:55:49,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2022-10-17 10:55:49,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539229239] [2022-10-17 10:55:49,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:55:49,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:55:49,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:55:49,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:55:49,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-10-17 10:55:49,786 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-10-17 10:55:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:55:49,976 INFO L93 Difference]: Finished difference Result 327 states and 440 transitions. [2022-10-17 10:55:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-17 10:55:49,977 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 116 [2022-10-17 10:55:49,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:55:49,985 INFO L225 Difference]: With dead ends: 327 [2022-10-17 10:55:49,985 INFO L226 Difference]: Without dead ends: 203 [2022-10-17 10:55:49,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 8 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-10-17 10:55:49,988 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 63 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 126 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:55:49,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 1097 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 126 Unchecked, 0.1s Time] [2022-10-17 10:55:49,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-10-17 10:55:50,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 169. [2022-10-17 10:55:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2022-10-17 10:55:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 222 transitions. [2022-10-17 10:55:50,029 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 222 transitions. Word has length 116 [2022-10-17 10:55:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:55:50,041 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 222 transitions. [2022-10-17 10:55:50,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-10-17 10:55:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 222 transitions. [2022-10-17 10:55:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 10:55:50,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:55:50,045 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:55:50,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:55:50,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:50,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:55:50,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:55:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1369878566, now seen corresponding path program 1 times [2022-10-17 10:55:50,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:55:50,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372823718] [2022-10-17 10:55:50,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:55:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:55:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:55:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:55:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:55:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:55:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-17 10:55:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-17 10:55:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:55:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:55:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:55:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:55:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:55:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:55:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-10-17 10:55:51,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:55:51,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372823718] [2022-10-17 10:55:51,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372823718] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:55:51,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689330746] [2022-10-17 10:55:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:51,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:51,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:51,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:55:51,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-17 10:55:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:51,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 10:55:51,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:55:51,697 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-17 10:55:51,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-10-17 10:55:51,713 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-17 10:55:51,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-10-17 10:55:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 10:55:53,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:55:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-10-17 10:55:53,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689330746] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:55:53,851 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:55:53,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 12] total 28 [2022-10-17 10:55:53,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528265053] [2022-10-17 10:55:53,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:55:53,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-17 10:55:53,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:55:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-17 10:55:53,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2022-10-17 10:55:53,858 INFO L87 Difference]: Start difference. First operand 169 states and 222 transitions. Second operand has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-10-17 10:55:56,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:55:56,060 INFO L93 Difference]: Finished difference Result 416 states and 579 transitions. [2022-10-17 10:55:56,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-17 10:55:56,061 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 116 [2022-10-17 10:55:56,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:55:56,065 INFO L225 Difference]: With dead ends: 416 [2022-10-17 10:55:56,065 INFO L226 Difference]: Without dead ends: 295 [2022-10-17 10:55:56,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 244 SyntacticMatches, 11 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=327, Invalid=1743, Unknown=0, NotChecked=0, Total=2070 [2022-10-17 10:55:56,068 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 315 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 344 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:55:56,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 2538 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1166 Invalid, 0 Unknown, 344 Unchecked, 1.1s Time] [2022-10-17 10:55:56,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-10-17 10:55:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 218. [2022-10-17 10:55:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) [2022-10-17 10:55:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 293 transitions. [2022-10-17 10:55:56,112 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 293 transitions. Word has length 116 [2022-10-17 10:55:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:55:56,113 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 293 transitions. [2022-10-17 10:55:56,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-10-17 10:55:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 293 transitions. [2022-10-17 10:55:56,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 10:55:56,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:55:56,116 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:55:56,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:55:56,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:56,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:55:56,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:55:56,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1275142702, now seen corresponding path program 1 times [2022-10-17 10:55:56,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:55:56,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401630288] [2022-10-17 10:55:56,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:56,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:55:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:55:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:55:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:55:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:55:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:55:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-17 10:55:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-17 10:55:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-17 10:55:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:55:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:55:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-17 10:55:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:55:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:55:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-10-17 10:55:56,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:55:56,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401630288] [2022-10-17 10:55:56,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401630288] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:55:56,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024050761] [2022-10-17 10:55:56,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:56,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:56,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:55:56,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-17 10:55:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:56,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:55:56,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:55:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 10:55:57,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:55:57,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024050761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:55:57,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:55:57,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-10-17 10:55:57,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371578352] [2022-10-17 10:55:57,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:55:57,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:55:57,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:55:57,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:55:57,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:55:57,097 INFO L87 Difference]: Start difference. First operand 218 states and 293 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-10-17 10:55:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:55:57,326 INFO L93 Difference]: Finished difference Result 403 states and 553 transitions. [2022-10-17 10:55:57,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:55:57,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 116 [2022-10-17 10:55:57,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:55:57,329 INFO L225 Difference]: With dead ends: 403 [2022-10-17 10:55:57,330 INFO L226 Difference]: Without dead ends: 226 [2022-10-17 10:55:57,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:55:57,332 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 227 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:55:57,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 592 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:55:57,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-10-17 10:55:57,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-10-17 10:55:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) [2022-10-17 10:55:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 308 transitions. [2022-10-17 10:55:57,372 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 308 transitions. Word has length 116 [2022-10-17 10:55:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:55:57,372 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 308 transitions. [2022-10-17 10:55:57,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-10-17 10:55:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 308 transitions. [2022-10-17 10:55:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 10:55:57,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:55:57,379 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-17 10:55:57,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:55:57,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:57,596 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:55:57,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:55:57,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1492302642, now seen corresponding path program 1 times [2022-10-17 10:55:57,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:55:57,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687958194] [2022-10-17 10:55:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:55:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:55:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:55:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:55:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:55:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:55:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:55:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:55:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-17 10:55:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-17 10:55:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:55:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-17 10:55:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:55:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-17 10:55:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:55:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-10-17 10:55:58,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:55:58,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687958194] [2022-10-17 10:55:58,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687958194] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:55:58,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833269949] [2022-10-17 10:55:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:55:58,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:58,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:55:58,144 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:55:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-17 10:55:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:55:58,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 10:55:58,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:55:58,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-17 10:55:58,532 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-17 10:55:58,533 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-17 10:55:58,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-10-17 10:55:58,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 10:55:58,634 INFO L356 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size [2022-10-17 10:55:58,636 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-10-17 10:55:58,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:55:58,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:55:58,865 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_#memory_$Pointer$.base_45| input size 44 context size 44 output size 44 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 10:55:58,869 INFO L158 Benchmark]: Toolchain (without parser) took 18334.10ms. Allocated memory was 96.5MB in the beginning and 327.2MB in the end (delta: 230.7MB). Free memory was 68.1MB in the beginning and 138.9MB in the end (delta: -70.8MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2022-10-17 10:55:58,869 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:55:58,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2383.89ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 68.1MB in the beginning and 78.5MB in the end (delta: -10.4MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2022-10-17 10:55:58,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.85ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 72.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:55:58,870 INFO L158 Benchmark]: Boogie Preprocessor took 56.47ms. Allocated memory is still 140.5MB. Free memory was 72.2MB in the beginning and 68.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:55:58,871 INFO L158 Benchmark]: RCFGBuilder took 888.97ms. Allocated memory is still 140.5MB. Free memory was 68.5MB in the beginning and 81.0MB in the end (delta: -12.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-10-17 10:55:58,871 INFO L158 Benchmark]: TraceAbstraction took 14814.62ms. Allocated memory was 140.5MB in the beginning and 327.2MB in the end (delta: 186.6MB). Free memory was 79.9MB in the beginning and 138.9MB in the end (delta: -59.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. [2022-10-17 10:55:58,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2383.89ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 68.1MB in the beginning and 78.5MB in the end (delta: -10.4MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.85ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 72.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.47ms. Allocated memory is still 140.5MB. Free memory was 72.2MB in the beginning and 68.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 888.97ms. Allocated memory is still 140.5MB. Free memory was 68.5MB in the beginning and 81.0MB in the end (delta: -12.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14814.62ms. Allocated memory was 140.5MB in the beginning and 327.2MB in the end (delta: 186.6MB). Free memory was 79.9MB in the beginning and 138.9MB in the end (delta: -59.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_#memory_$Pointer$.base_45| input size 44 context size 44 output size 44 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_#memory_$Pointer$.base_45| input size 44 context size 44 output size 44: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 10:55:58,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ --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 bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:56:01,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:56:01,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:56:01,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:56:01,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:56:01,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:56:01,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:56:01,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:56:01,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:56:01,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:56:01,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:56:01,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:56:01,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:56:01,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:56:01,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:56:01,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:56:01,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:56:01,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:56:01,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:56:01,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:56:01,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:56:01,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:56:01,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:56:01,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:56:01,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:56:01,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:56:01,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:56:01,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:56:01,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:56:01,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:56:01,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:56:01,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:56:01,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:56:01,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:56:01,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:56:01,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:56:01,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:56:01,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:56:01,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:56:01,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:56:01,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:56:01,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-10-17 10:56:01,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:56:01,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:56:01,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:56:01,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:56:01,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:56:01,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:56:01,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:56:01,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:56:01,376 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:56:01,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:56:01,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:56:01,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:56:01,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:56:01,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:56:01,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:56:01,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 10:56:01,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 10:56:01,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:56:01,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:56:01,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:56:01,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:56:01,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:56:01,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:56:01,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:56:01,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:56:01,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:56:01,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:56:01,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 10:56:01,381 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 10:56:01,381 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:56:01,381 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:56:01,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:56:01,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 10:56:01,382 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2022-10-17 10:56:01,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:56:01,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:56:01,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:56:01,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:56:01,825 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:56:01,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-10-17 10:56:01,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/e75d94172/dd179ca4fb0c492d84c423be90a7e45d/FLAG53784146f [2022-10-17 10:56:02,773 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:56:02,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-10-17 10:56:02,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/e75d94172/dd179ca4fb0c492d84c423be90a7e45d/FLAG53784146f [2022-10-17 10:56:03,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/bin/uautomizer-J5u9QxTXDZ/data/e75d94172/dd179ca4fb0c492d84c423be90a7e45d [2022-10-17 10:56:03,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:56:03,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:56:03,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:03,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:56:03,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:56:03,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:03" (1/1) ... [2022-10-17 10:56:03,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d06dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:03, skipping insertion in model container [2022-10-17 10:56:03,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:03" (1/1) ... [2022-10-17 10:56:03,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:56:03,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:56:03,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-10-17 10:56:03,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43d6caf-7217-44aa-8d40-ccb87594f959/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-10-17 10:56:04,709 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,710 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,710 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,712 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,713 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,737 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,738 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,740 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,740 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,742 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,743 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,744 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:04,744 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:56:05,078 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:56:05,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:56:05,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:56:05,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:56:05,083 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:56:05,084 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:56:05,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:56:05,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:56:05,086 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:56:05,087 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:56:05,217 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:56:05,245 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 10:56:05,251 INFO L158 Benchmark]: Toolchain (without parser) took 1986.36ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 36.1MB in the beginning and 50.7MB in the end (delta: -14.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-10-17 10:56:05,251 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:56:05,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1984.49ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 35.9MB in the beginning and 50.7MB in the end (delta: -14.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-10-17 10:56:05,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1984.49ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 35.9MB in the beginning and 50.7MB in the end (delta: -14.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range