./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a --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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- 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-b5237d8 [2022-11-21 17:17:28,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:17:28,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:17:28,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:17:28,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:17:28,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:17:28,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:17:28,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:17:28,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:17:28,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:17:28,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:17:28,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:17:28,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:17:28,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:17:28,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:17:28,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:17:28,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:17:28,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:17:28,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:17:28,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:17:28,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:17:28,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:17:28,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:17:28,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:17:28,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:17:28,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:17:28,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:17:28,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:17:28,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:17:28,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:17:28,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:17:28,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:17:28,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:17:28,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:17:28,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:17:28,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:17:28,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:17:28,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:17:28,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:17:28,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:17:28,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:17:28,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:17:28,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:17:28,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:17:28,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:17:28,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:17:28,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:17:28,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:17:28,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:17:28,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:17:28,918 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:17:28,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:17:28,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:17:28,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:17:28,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:17:28,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:17:28,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:17:28,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:17:28,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:17:28,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:17:28,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:17:28,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:17:28,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:17:28,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:17:28,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:17:28,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:17:28,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:17:28,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:17:28,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:17:28,923 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:17:28,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:17:28,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:17:28,925 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_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2022-11-21 17:17:29,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:17:29,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:17:29,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:17:29,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:17:29,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:17:29,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-21 17:17:32,555 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:17:33,112 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:17:33,112 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-21 17:17:33,153 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data/c68838f0d/02f02fa5c021488aa0ed3fcb72d56b18/FLAGef2b62fe3 [2022-11-21 17:17:33,175 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data/c68838f0d/02f02fa5c021488aa0ed3fcb72d56b18 [2022-11-21 17:17:33,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:17:33,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:17:33,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:17:33,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:17:33,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:17:33,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:17:33" (1/1) ... [2022-11-21 17:17:33,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca8e584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:33, skipping insertion in model container [2022-11-21 17:17:33,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:17:33" (1/1) ... [2022-11-21 17:17:33,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:17:33,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:17:33,607 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-21 17:17:33,617 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-21 17:17:34,781 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:17:34,892 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,894 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,895 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,896 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,900 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,924 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,924 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,926 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,933 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,936 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,937 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,938 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:34,938 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:17:35,431 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:17:35,433 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:17:35,435 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:17:35,440 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:17:35,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:17:35,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:17:35,447 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:17:35,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:17:35,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:17:35,701 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,720 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:17:35,845 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:17:35,873 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-21 17:17:35,885 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-21 17:17:35,952 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:17:35,974 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,975 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,978 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,979 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,980 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,990 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,990 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,992 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,993 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,994 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,995 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,996 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:35,996 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:36,053 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:17:36,054 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:17:36,055 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:17:36,056 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:17:36,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:17:36,059 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:17:36,059 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:17:36,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:17:36,060 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:17:36,061 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:17:36,111 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:36,121 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:17:36,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:17:36,419 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:17:36,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36 WrapperNode [2022-11-21 17:17:36,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:17:36,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:17:36,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:17:36,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:17:36,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,641 INFO L138 Inliner]: procedures = 690, calls = 1714, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 680 [2022-11-21 17:17:36,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:17:36,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:17:36,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:17:36,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:17:36,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:17:36,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:17:36,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:17:36,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:17:36,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (1/1) ... [2022-11-21 17:17:36,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:17:36,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:36,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:17:36,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:17:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:17:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-21 17:17:36,844 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-21 17:17:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-21 17:17:36,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-21 17:17:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-21 17:17:36,846 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-21 17:17:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:17:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-21 17:17:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-21 17:17:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 17:17:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 17:17:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:17:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:17:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-21 17:17:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-21 17:17:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:17:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:17:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:17:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-21 17:17:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-21 17:17:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-21 17:17:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-21 17:17:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-21 17:17:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-21 17:17:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:17:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:17:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:17:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:17:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:17:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-21 17:17:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-21 17:17:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-21 17:17:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-21 17:17:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:17:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-21 17:17:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-21 17:17:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-21 17:17:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-21 17:17:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:17:37,260 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:17:37,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:17:39,178 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:17:39,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:17:39,187 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:17:39,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:39 BoogieIcfgContainer [2022-11-21 17:17:39,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:17:39,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:17:39,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:17:39,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:17:39,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:17:33" (1/3) ... [2022-11-21 17:17:39,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618b611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:17:39, skipping insertion in model container [2022-11-21 17:17:39,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:17:36" (2/3) ... [2022-11-21 17:17:39,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618b611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:17:39, skipping insertion in model container [2022-11-21 17:17:39,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:17:39" (3/3) ... [2022-11-21 17:17:39,201 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2022-11-21 17:17:39,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:17:39,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:17:39,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:17:39,304 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;@586e37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:17:39,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:17:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-21 17:17:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-21 17:17:39,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:17:39,329 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:17:39,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:17:39,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:39,336 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2022-11-21 17:17:39,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:39,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989361958] [2022-11-21 17:17:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:39,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:17:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:17:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:17:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:17:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:17:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:17:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:17:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:17:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:17:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:17:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:17:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:17:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:17:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 17:17:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 17:17:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:17:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 17:17:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 17:17:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:17:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 17:17:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:17:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 17:17:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:17:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 17:17:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 17:17:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 17:17:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 17:17:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 17:17:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 17:17:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 17:17:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-11-21 17:17:40,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:17:40,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989361958] [2022-11-21 17:17:40,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989361958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:17:40,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:17:40,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:17:40,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941183363] [2022-11-21 17:17:40,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:17:40,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:17:40,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:17:40,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:17:40,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:17:40,607 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 17:17:43,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:17:43,233 INFO L93 Difference]: Finished difference Result 332 states and 486 transitions. [2022-11-21 17:17:43,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:17:43,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2022-11-21 17:17:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:17:43,246 INFO L225 Difference]: With dead ends: 332 [2022-11-21 17:17:43,246 INFO L226 Difference]: Without dead ends: 171 [2022-11-21 17:17:43,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:17:43,254 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 76 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:17:43,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 240 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-21 17:17:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-21 17:17:43,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2022-11-21 17:17:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-21 17:17:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2022-11-21 17:17:43,315 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2022-11-21 17:17:43,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:17:43,315 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2022-11-21 17:17:43,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 17:17:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2022-11-21 17:17:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-21 17:17:43,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:17:43,320 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:17:43,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:17:43,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:17:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2022-11-21 17:17:43,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:43,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078855580] [2022-11-21 17:17:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:17:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:17:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:17:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:17:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:17:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:17:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:17:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:17:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 17:17:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:17:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 17:17:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:17:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:17:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 17:17:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 17:17:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:17:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 17:17:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 17:17:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:17:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 17:17:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:17:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 17:17:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:17:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 17:17:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 17:17:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 17:17:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 17:17:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 17:17:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 17:17:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 17:17:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-11-21 17:17:44,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:17:44,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078855580] [2022-11-21 17:17:44,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078855580] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:17:44,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772638339] [2022-11-21 17:17:44,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:44,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:17:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:44,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:17:44,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:17:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:44,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 2615 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:17:44,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:17:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-21 17:17:45,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:17:45,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772638339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:17:45,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:17:45,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-21 17:17:45,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810080075] [2022-11-21 17:17:45,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:17:45,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:17:45,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:17:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:17:45,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:17:45,128 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:17:46,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:17:46,684 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2022-11-21 17:17:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:17:46,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2022-11-21 17:17:46,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:17:46,687 INFO L225 Difference]: With dead ends: 305 [2022-11-21 17:17:46,688 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:17:46,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:17:46,690 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 194 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:17:46,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 559 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-21 17:17:46,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:17:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-21 17:17:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2022-11-21 17:17:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2022-11-21 17:17:46,714 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2022-11-21 17:17:46,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:17:46,715 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2022-11-21 17:17:46,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:17:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2022-11-21 17:17:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-21 17:17:46,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:17:46,718 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:17:46,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 17:17:46,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:17:46,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:17:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2022-11-21 17:17:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:46,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620466089] [2022-11-21 17:17:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:47,045 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:17:47,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343675705] [2022-11-21 17:17:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:47,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:17:47,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:47,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:17:47,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:17:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:17:47,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2756 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:17:47,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:17:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-21 17:17:47,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:17:47,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:17:47,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620466089] [2022-11-21 17:17:47,854 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:17:47,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343675705] [2022-11-21 17:17:47,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343675705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:17:47,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:17:47,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:17:47,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709138104] [2022-11-21 17:17:47,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:17:47,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:17:47,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:17:47,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:17:47,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:17:47,860 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:17:50,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:17:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:17:51,087 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2022-11-21 17:17:51,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:17:51,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2022-11-21 17:17:51,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:17:51,091 INFO L225 Difference]: With dead ends: 270 [2022-11-21 17:17:51,091 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:17:51,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:17:51,093 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 192 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:17:51,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 559 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-21 17:17:51,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:17:51,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-21 17:17:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2022-11-21 17:17:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-11-21 17:17:51,115 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2022-11-21 17:17:51,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:17:51,116 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-11-21 17:17:51,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:17:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-11-21 17:17:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-21 17:17:51,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:17:51,124 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:17:51,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-21 17:17:51,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:17:51,337 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:17:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:17:51,338 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2022-11-21 17:17:51,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:17:51,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035806416] [2022-11-21 17:17:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:17:51,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:17:51,453 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 17:17:51,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95111829] [2022-11-21 17:17:51,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:17:51,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:17:51,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:17:51,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:17:51,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:17:53,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:17:53,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:17:53,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 141 conjunts are in the unsatisfiable core [2022-11-21 17:17:53,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:17:53,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 28 [2022-11-21 17:17:53,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-21 17:17:54,838 INFO L321 Elim1Store]: treesize reduction 168, result has 50.1 percent of original size [2022-11-21 17:17:54,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 43 select indices, 43 select index equivalence classes, 861 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 42 case distinctions, treesize of input 216 treesize of output 298 [2022-11-21 17:18:02,399 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 42 dual juncts. [2022-11-21 17:18:02,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:18:02,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035806416] [2022-11-21 17:18:02,400 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 17:18:02,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95111829] [2022-11-21 17:18:02,400 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-21 17:18:02,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-21 17:18:02,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:18:02,614 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:126) 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.transform(TermContextTransformationEngine.java:65) 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.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) 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) [2022-11-21 17:18:02,620 INFO L158 Benchmark]: Toolchain (without parser) took 29440.66ms. Allocated memory was 132.1MB in the beginning and 375.4MB in the end (delta: 243.3MB). Free memory was 81.3MB in the beginning and 231.2MB in the end (delta: -149.9MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2022-11-21 17:18:02,620 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:18:02,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3239.98ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 81.3MB in the beginning and 73.7MB in the end (delta: 7.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2022-11-21 17:18:02,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.51ms. Allocated memory is still 172.0MB. Free memory was 73.7MB in the beginning and 65.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 17:18:02,621 INFO L158 Benchmark]: Boogie Preprocessor took 105.51ms. Allocated memory is still 172.0MB. Free memory was 65.3MB in the beginning and 118.5MB in the end (delta: -53.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-21 17:18:02,622 INFO L158 Benchmark]: RCFGBuilder took 2441.81ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 117.4MB in the beginning and 142.6MB in the end (delta: -25.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 17:18:02,622 INFO L158 Benchmark]: TraceAbstraction took 23426.40ms. Allocated memory was 216.0MB in the beginning and 375.4MB in the end (delta: 159.4MB). Free memory was 141.6MB in the beginning and 231.2MB in the end (delta: -89.6MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2022-11-21 17:18:02,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3239.98ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 81.3MB in the beginning and 73.7MB in the end (delta: 7.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.51ms. Allocated memory is still 172.0MB. Free memory was 73.7MB in the beginning and 65.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.51ms. Allocated memory is still 172.0MB. Free memory was 65.3MB in the beginning and 118.5MB in the end (delta: -53.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2441.81ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 117.4MB in the beginning and 142.6MB in the end (delta: -25.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 23426.40ms. Allocated memory was 216.0MB in the beginning and 375.4MB in the end (delta: 159.4MB). Free memory was 141.6MB in the beginning and 231.2MB in the end (delta: -89.6MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 17:18:02,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a --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 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- 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-b5237d8 [2022-11-21 17:18:05,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:18:05,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:18:05,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:18:05,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:18:05,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:18:05,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:18:05,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:18:05,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:18:05,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:18:05,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:18:05,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:18:05,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:18:05,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:18:05,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:18:05,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:18:05,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:18:05,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:18:05,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:18:05,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:18:05,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:18:05,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:18:05,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:18:05,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:18:05,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:18:05,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:18:05,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:18:05,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:18:05,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:18:05,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:18:05,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:18:05,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:18:05,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:18:05,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:18:05,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:18:05,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:18:05,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:18:05,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:18:05,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:18:05,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:18:05,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:18:05,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 17:18:05,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:18:05,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:18:05,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:18:05,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:18:05,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:18:05,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:18:05,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:18:05,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:18:05,150 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:18:05,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:18:05,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:18:05,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:18:05,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:18:05,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:18:05,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:18:05,152 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:18:05,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:18:05,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:18:05,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:18:05,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:18:05,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:18:05,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:18:05,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:18:05,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:18:05,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:18:05,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:18:05,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:18:05,155 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:18:05,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:18:05,155 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:18:05,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:18:05,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:18:05,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:18:05,156 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_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2022-11-21 17:18:05,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:18:05,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:18:05,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:18:05,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:18:05,512 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:18:05,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-21 17:18:08,676 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:18:09,102 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:18:09,109 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-21 17:18:09,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data/2ce2cbca6/1c36f47a3e8d47f5ac29d67357ba1f9b/FLAGdc26ffa5b [2022-11-21 17:18:09,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/data/2ce2cbca6/1c36f47a3e8d47f5ac29d67357ba1f9b [2022-11-21 17:18:09,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:18:09,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:18:09,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:18:09,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:18:09,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:18:09,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:09" (1/1) ... [2022-11-21 17:18:09,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166f53cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:09, skipping insertion in model container [2022-11-21 17:18:09,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:09" (1/1) ... [2022-11-21 17:18:09,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:18:09,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:18:09,650 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-21 17:18:09,657 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-21 17:18:10,600 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:18:10,729 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,730 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,731 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,734 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,737 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,759 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,760 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,763 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,763 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,765 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,766 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,769 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:10,769 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,248 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:18:11,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:18:11,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:18:11,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:18:11,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:18:11,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:18:11,258 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:18:11,263 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:18:11,264 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:18:11,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:18:11,466 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,479 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:18:11,619 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 17:18:11,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:18:11,659 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-21 17:18:11,661 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-21 17:18:11,705 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:18:11,717 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,718 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,718 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,719 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,719 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,746 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,747 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,748 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,749 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,750 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,751 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,751 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,753 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:18:11,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:18:11,792 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:18:11,794 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:18:11,795 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:18:11,796 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:18:11,796 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:18:11,797 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:18:11,797 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:18:11,798 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:18:11,853 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,859 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:11,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:18:11,917 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:18:11,940 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-21 17:18:11,946 WARN L237 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_59bae34e-8953-47d7-9921-4086aad6e6ba/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-21 17:18:11,985 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 17:18:12,031 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,032 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,033 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,034 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,034 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,042 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,043 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,045 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,045 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,046 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,047 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,049 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,049 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 17:18:12,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 17:18:12,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 17:18:12,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 17:18:12,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 17:18:12,096 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 17:18:12,096 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 17:18:12,097 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 17:18:12,097 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 17:18:12,099 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 17:18:12,133 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,138 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 17:18:12,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:18:12,452 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:18:12,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12 WrapperNode [2022-11-21 17:18:12,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:18:12,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:18:12,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:18:12,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:18:12,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,744 INFO L138 Inliner]: procedures = 710, calls = 1714, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 679 [2022-11-21 17:18:12,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:18:12,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:18:12,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:18:12,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:18:12,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,805 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:18:12,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:18:12,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:18:12,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:18:12,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (1/1) ... [2022-11-21 17:18:12,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:18:12,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:18:12,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:18:12,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:18:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:18:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-21 17:18:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-21 17:18:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-21 17:18:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-21 17:18:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-21 17:18:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-21 17:18:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:18:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 17:18:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 17:18:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-21 17:18:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-21 17:18:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 17:18:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 17:18:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:18:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:18:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-21 17:18:12,939 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-21 17:18:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:18:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:18:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:18:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-21 17:18:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-21 17:18:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 17:18:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-21 17:18:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-21 17:18:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 17:18:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-21 17:18:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-21 17:18:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:18:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:18:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:18:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:18:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 17:18:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 17:18:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:18:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-21 17:18:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-21 17:18:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-21 17:18:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-21 17:18:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-21 17:18:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-21 17:18:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-21 17:18:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-21 17:18:13,437 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:18:13,441 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:18:17,797 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:18:17,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:18:17,805 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:18:17,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:17 BoogieIcfgContainer [2022-11-21 17:18:17,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:18:17,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:18:17,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:18:17,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:18:17,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:18:09" (1/3) ... [2022-11-21 17:18:17,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4067e6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:18:17, skipping insertion in model container [2022-11-21 17:18:17,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:12" (2/3) ... [2022-11-21 17:18:17,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4067e6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:18:17, skipping insertion in model container [2022-11-21 17:18:17,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:18:17" (3/3) ... [2022-11-21 17:18:17,817 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2022-11-21 17:18:17,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:18:17,837 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:18:17,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:18:17,897 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;@60ec916c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:18:17,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:18:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-21 17:18:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-21 17:18:17,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:18:17,922 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:17,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:18:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:17,928 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2022-11-21 17:18:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:18:17,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789980955] [2022-11-21 17:18:17,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:17,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:17,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:18:17,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:18:17,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 17:18:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:19,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 17:18:19,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:18:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-21 17:18:19,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:18:19,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:18:19,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789980955] [2022-11-21 17:18:19,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789980955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:19,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:19,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:18:19,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090409768] [2022-11-21 17:18:19,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:19,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:18:19,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:18:19,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:18:19,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:18:19,486 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 17:18:19,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:18:19,536 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2022-11-21 17:18:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:18:19,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2022-11-21 17:18:19,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:18:19,547 INFO L225 Difference]: With dead ends: 316 [2022-11-21 17:18:19,548 INFO L226 Difference]: Without dead ends: 155 [2022-11-21 17:18:19,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:18:19,556 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:18:19,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:18:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-21 17:18:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-11-21 17:18:19,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-21 17:18:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2022-11-21 17:18:19,623 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2022-11-21 17:18:19,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:18:19,625 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2022-11-21 17:18:19,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-21 17:18:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2022-11-21 17:18:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-21 17:18:19,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:18:19,630 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:19,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:18:19,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:19,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:18:19,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:19,848 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2022-11-21 17:18:19,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:18:19,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283413284] [2022-11-21 17:18:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:18:19,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:18:19,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 17:18:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:21,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:18:21,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:18:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-21 17:18:21,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:18:21,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:18:21,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283413284] [2022-11-21 17:18:21,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283413284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:21,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:21,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:18:21,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920809208] [2022-11-21 17:18:21,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:21,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:18:21,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:18:21,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:18:21,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:18:21,291 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:18:21,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:18:21,924 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2022-11-21 17:18:21,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:18:21,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2022-11-21 17:18:21,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:18:21,931 INFO L225 Difference]: With dead ends: 305 [2022-11-21 17:18:21,931 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:18:21,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:18:21,933 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 34 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:18:21,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 656 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:18:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:18:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-21 17:18:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2022-11-21 17:18:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2022-11-21 17:18:21,984 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2022-11-21 17:18:21,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:18:21,986 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2022-11-21 17:18:21,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:18:21,987 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2022-11-21 17:18:21,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-21 17:18:21,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:18:21,996 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:22,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:18:22,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:22,209 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:18:22,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:22,210 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2022-11-21 17:18:22,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:18:22,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270896173] [2022-11-21 17:18:22,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:18:22,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:22,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:18:22,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:18:22,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-21 17:18:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:18:23,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:18:23,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:18:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-21 17:18:23,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:18:23,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:18:23,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270896173] [2022-11-21 17:18:23,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270896173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:18:23,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:18:23,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:18:23,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342053020] [2022-11-21 17:18:23,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:18:23,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:18:23,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:18:23,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:18:23,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:18:23,963 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:18:24,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:18:24,483 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2022-11-21 17:18:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:18:24,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2022-11-21 17:18:24,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:18:24,487 INFO L225 Difference]: With dead ends: 270 [2022-11-21 17:18:24,487 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:18:24,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:18:24,489 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 32 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:18:24,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 656 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:18:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:18:24,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-21 17:18:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2022-11-21 17:18:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-11-21 17:18:24,508 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2022-11-21 17:18:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:18:24,509 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-11-21 17:18:24,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:18:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-11-21 17:18:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-21 17:18:24,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:18:24,532 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:18:24,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-21 17:18:24,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:24,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:18:24,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:18:24,756 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2022-11-21 17:18:24,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:18:24,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90006264] [2022-11-21 17:18:24,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:18:24,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:18:24,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:18:24,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:18:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-21 17:20:24,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:20:24,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:20:27,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 17:20:27,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:20:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-11-21 17:20:28,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:20:28,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:20:28,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90006264] [2022-11-21 17:20:28,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90006264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:28,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:28,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:20:28,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412674813] [2022-11-21 17:20:28,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:28,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:20:28,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:20:28,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:20:28,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:20:28,154 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:20:30,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:20:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:20:31,057 INFO L93 Difference]: Finished difference Result 239 states and 315 transitions. [2022-11-21 17:20:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:20:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 204 [2022-11-21 17:20:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:20:31,062 INFO L225 Difference]: With dead ends: 239 [2022-11-21 17:20:31,063 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:20:31,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:20:31,065 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 24 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:20:31,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 811 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-21 17:20:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:20:31,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-21 17:20:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-21 17:20:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 207 transitions. [2022-11-21 17:20:31,094 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 207 transitions. Word has length 204 [2022-11-21 17:20:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:20:31,095 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 207 transitions. [2022-11-21 17:20:31,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:20:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 207 transitions. [2022-11-21 17:20:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-21 17:20:31,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:20:31,101 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:20:31,316 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-11-21 17:20:31,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:20:31,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:20:31,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:20:31,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:20:31,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1913799685, now seen corresponding path program 3 times [2022-11-21 17:20:31,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:20:31,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551090775] [2022-11-21 17:20:31,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 17:20:31,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:20:31,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:20:31,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:20:31,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-21 17:20:58,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-21 17:20:58,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:20:58,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:20:58,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:20:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-11-21 17:20:58,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:20:58,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:20:58,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551090775] [2022-11-21 17:20:58,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551090775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:20:58,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:20:58,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:20:58,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627916846] [2022-11-21 17:20:58,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:20:58,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:20:58,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:20:58,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:20:58,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:20:58,622 INFO L87 Difference]: Start difference. First operand 157 states and 207 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-21 17:21:01,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:21:01,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:21:01,297 INFO L93 Difference]: Finished difference Result 232 states and 303 transitions. [2022-11-21 17:21:01,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:21:01,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 234 [2022-11-21 17:21:01,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:21:01,301 INFO L225 Difference]: With dead ends: 232 [2022-11-21 17:21:01,301 INFO L226 Difference]: Without dead ends: 157 [2022-11-21 17:21:01,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:21:01,303 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 2 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:21:01,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 877 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-21 17:21:01,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-21 17:21:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-21 17:21:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-11-21 17:21:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 206 transitions. [2022-11-21 17:21:01,324 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 206 transitions. Word has length 234 [2022-11-21 17:21:01,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:21:01,326 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 206 transitions. [2022-11-21 17:21:01,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-21 17:21:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 206 transitions. [2022-11-21 17:21:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-21 17:21:01,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:21:01,331 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:21:01,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:21:01,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:21:01,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:21:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:21:01,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1463432363, now seen corresponding path program 1 times [2022-11-21 17:21:01,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:21:01,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841425375] [2022-11-21 17:21:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:21:01,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:21:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:21:01,563 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:21:01,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59bae34e-8953-47d7-9921-4086aad6e6ba/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-21 17:30:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 451 conjunts are in the unsatisfiable core [2022-11-21 17:30:57,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:30:57,412 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-21 17:30:57,412 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-21 17:31:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 17:31:12,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 186 [2022-11-21 17:31:18,596 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1692 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)))) is different from true [2022-11-21 17:31:21,492 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| (let ((.cse0 (bvmul |c_aws_mul_size_checked_#in~b#1| |c_aws_mul_size_checked_#in~a#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| ((_ extract 7 0) .cse0)) (bvadd (_ bv1 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1694) (bvadd (_ bv2 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 23 16) .cse0)) (bvadd (_ bv3 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1696) (bvadd (_ bv4 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 39 32) .cse0)) (bvadd |c_aws_mul_size_checked_#in~r#1.offset| (_ bv5 64)) v_ArrVal_1698) (bvadd (_ bv6 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1700) (bvadd (_ bv7 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 63 56) .cse0)))))) (exists ((v_ArrVal_1692 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1))))) is different from true [2022-11-21 17:31:43,639 WARN L233 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 17:32:11,387 WARN L233 SmtUtils]: Spent 14.32s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)