./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8 --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 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 --- 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-e04fb08 [2022-11-16 11:29:37,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:29:37,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:29:37,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:29:37,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:29:37,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:29:37,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:29:37,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:29:37,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:29:37,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:29:37,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:29:37,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:29:37,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:29:37,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:29:37,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:29:37,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:29:37,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:29:37,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:29:37,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:29:37,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:29:37,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:29:37,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:29:37,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:29:37,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:29:37,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:29:37,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:29:37,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:29:37,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:29:37,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:29:37,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:29:37,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:29:37,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:29:37,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:29:37,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:29:37,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:29:37,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:29:37,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:29:37,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:29:37,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:29:37,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:29:37,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:29:37,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:29:37,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:29:37,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:29:37,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:29:37,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:29:37,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:29:37,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:29:37,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:29:37,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:29:37,382 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:29:37,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:29:37,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:29:37,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:29:37,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:29:37,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:29:37,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:29:37,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:29:37,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:29:37,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:29:37,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:29:37,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:29:37,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:29:37,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:29:37,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:29:37,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:29:37,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:29:37,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:29:37,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:29:37,389 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:29:37,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:29:37,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:29:37,390 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_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 [2022-11-16 11:29:37,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:29:37,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:29:37,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:29:37,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:29:37,853 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:29:37,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2022-11-16 11:29:37,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/data/10d8aaf8f/74a0076a4d0f465387764a0e3cc3f5da/FLAG6368b8755 [2022-11-16 11:29:38,967 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:29:38,969 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2022-11-16 11:29:39,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/data/10d8aaf8f/74a0076a4d0f465387764a0e3cc3f5da/FLAG6368b8755 [2022-11-16 11:29:39,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/data/10d8aaf8f/74a0076a4d0f465387764a0e3cc3f5da [2022-11-16 11:29:39,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:29:39,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:29:39,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:29:39,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:29:39,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:29:39,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:39" (1/1) ... [2022-11-16 11:29:39,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156ca961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:39, skipping insertion in model container [2022-11-16 11:29:39,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:39" (1/1) ... [2022-11-16 11:29:39,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:29:39,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:29:39,927 WARN L229 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_23506631-e3be-4aea-abe8-10c966e01614/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2022-11-16 11:29:39,935 WARN L229 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_23506631-e3be-4aea-abe8-10c966e01614/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2022-11-16 11:29:40,957 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,958 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,959 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,960 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,962 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,979 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,980 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,982 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,983 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,986 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,988 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,989 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:40,990 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,510 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 11:29:41,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 11:29:41,514 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 11:29:41,515 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 11:29:41,517 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 11:29:41,519 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 11:29:41,519 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 11:29:41,520 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 11:29:41,521 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 11:29:41,522 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 11:29:41,734 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 11:29:41,802 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,827 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,934 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,935 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,936 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,936 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,937 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,938 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,938 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,941 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,944 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,944 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,945 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,945 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,946 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,951 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,952 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,952 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,953 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,963 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,965 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,986 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,987 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:41,988 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:29:42,073 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:29:42,103 WARN L229 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_23506631-e3be-4aea-abe8-10c966e01614/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2022-11-16 11:29:42,117 WARN L229 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_23506631-e3be-4aea-abe8-10c966e01614/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2022-11-16 11:29:42,215 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,216 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,216 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,217 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,218 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,225 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,237 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,238 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,239 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,240 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,241 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,242 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,242 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,304 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 11:29:42,306 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 11:29:42,307 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 11:29:42,308 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 11:29:42,309 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 11:29:42,309 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 11:29:42,310 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 11:29:42,311 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 11:29:42,311 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 11:29:42,312 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 11:29:42,360 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 11:29:42,385 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,397 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,442 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,443 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,444 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,444 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,445 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,445 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,445 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,447 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,447 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,448 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,448 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,448 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,450 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,451 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,451 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,452 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,453 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,456 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,458 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,470 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,471 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,471 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 11:29:42,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:29:42,755 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:29:42,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42 WrapperNode [2022-11-16 11:29:42,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:29:42,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:29:42,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:29:42,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:29:42,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:42,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,036 INFO L138 Inliner]: procedures = 698, calls = 1948, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 765 [2022-11-16 11:29:43,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:29:43,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:29:43,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:29:43,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:29:43,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:29:43,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:29:43,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:29:43,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:29:43,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (1/1) ... [2022-11-16 11:29:43,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:29:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:29:43,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:29:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:29:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-16 11:29:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-16 11:29:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:29:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-16 11:29:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-16 11:29:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-16 11:29:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-16 11:29:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-16 11:29:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-16 11:29:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:29:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 11:29:43,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 11:29:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 11:29:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 11:29:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:29:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:29:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:29:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:29:43,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:29:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 11:29:43,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 11:29:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-16 11:29:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-16 11:29:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-16 11:29:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-16 11:29:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-16 11:29:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-16 11:29:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-16 11:29:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-16 11:29:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:29:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:29:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:29:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:29:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:29:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-16 11:29:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-16 11:29:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-16 11:29:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-16 11:29:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:29:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-16 11:29:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-16 11:29:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-16 11:29:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-16 11:29:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:29:43,677 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:29:43,680 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:29:45,105 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:29:45,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:29:45,123 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:29:45,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:29:45 BoogieIcfgContainer [2022-11-16 11:29:45,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:29:45,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:29:45,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:29:45,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:29:45,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:29:39" (1/3) ... [2022-11-16 11:29:45,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9b7eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:45, skipping insertion in model container [2022-11-16 11:29:45,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:42" (2/3) ... [2022-11-16 11:29:45,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9b7eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:45, skipping insertion in model container [2022-11-16 11:29:45,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:29:45" (3/3) ... [2022-11-16 11:29:45,138 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2022-11-16 11:29:45,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:29:45,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:29:45,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:29:45,270 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;@20c1683f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:29:45,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:29:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 130 states have internal predecessors, (160), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-11-16 11:29:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-16 11:29:45,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:45,303 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-16 11:29:45,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:45,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:45,312 INFO L85 PathProgramCache]: Analyzing trace with hash 969840853, now seen corresponding path program 1 times [2022-11-16 11:29:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:45,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837387102] [2022-11-16 11:29:45,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:45,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:46,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:46,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837387102] [2022-11-16 11:29:46,068 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 11:29:46,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791794461] [2022-11-16 11:29:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:46,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:46,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:29:46,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:29:46,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:29:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:47,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:29:47,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:29:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-16 11:29:47,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:29:47,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791794461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:47,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:47,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:29:47,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886130930] [2022-11-16 11:29:47,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:47,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:29:47,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:47,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:29:47,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:29:47,163 INFO L87 Difference]: Start difference. First operand has 196 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 130 states have internal predecessors, (160), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 11:29:47,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:47,255 INFO L93 Difference]: Finished difference Result 381 states and 541 transitions. [2022-11-16 11:29:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:29:47,257 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2022-11-16 11:29:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:47,269 INFO L225 Difference]: With dead ends: 381 [2022-11-16 11:29:47,270 INFO L226 Difference]: Without dead ends: 191 [2022-11-16 11:29:47,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:29:47,282 INFO L413 NwaCegarLoop]: 255 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, 255 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 [2022-11-16 11:29:47,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:29:47,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-16 11:29:47,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2022-11-16 11:29:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 125 states have (on average 1.224) internal successors, (153), 126 states have internal predecessors, (153), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-11-16 11:29:47,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 250 transitions. [2022-11-16 11:29:47,359 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 250 transitions. Word has length 97 [2022-11-16 11:29:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:47,360 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 250 transitions. [2022-11-16 11:29:47,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 11:29:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 250 transitions. [2022-11-16 11:29:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-16 11:29:47,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:47,377 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-16 11:29:47,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:29:47,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:47,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2144728741, now seen corresponding path program 1 times [2022-11-16 11:29:47,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:47,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819941985] [2022-11-16 11:29:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:47,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:29:47,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482024291] [2022-11-16 11:29:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:47,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:29:47,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:29:47,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:29:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:48,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 11:29:48,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:29:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-16 11:29:48,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:29:48,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:48,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819941985] [2022-11-16 11:29:48,611 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:29:48,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482024291] [2022-11-16 11:29:48,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482024291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:48,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:48,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:29:48,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8222442] [2022-11-16 11:29:48,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:48,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:29:48,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:48,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:29:48,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:29:48,615 INFO L87 Difference]: Start difference. First operand 191 states and 250 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-16 11:29:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:48,789 INFO L93 Difference]: Finished difference Result 348 states and 457 transitions. [2022-11-16 11:29:48,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:29:48,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 97 [2022-11-16 11:29:48,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:48,795 INFO L225 Difference]: With dead ends: 348 [2022-11-16 11:29:48,795 INFO L226 Difference]: Without dead ends: 193 [2022-11-16 11:29:48,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:29:48,805 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 2 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:48,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1176 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:29:48,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-16 11:29:48,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-11-16 11:29:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 128 states have internal predecessors, (154), 49 states have call successors, (49), 16 states have call predecessors, (49), 17 states have return successors, (50), 48 states have call predecessors, (50), 48 states have call successors, (50) [2022-11-16 11:29:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 253 transitions. [2022-11-16 11:29:48,841 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 253 transitions. Word has length 97 [2022-11-16 11:29:48,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:48,842 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 253 transitions. [2022-11-16 11:29:48,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-16 11:29:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 253 transitions. [2022-11-16 11:29:48,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-16 11:29:48,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:29:48,851 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-16 11:29:48,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:29:49,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:49,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:29:49,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:29:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1693315363, now seen corresponding path program 1 times [2022-11-16 11:29:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:29:49,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065113249] [2022-11-16 11:29:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:29:49,242 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 11:29:49,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963688686] [2022-11-16 11:29:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:29:49,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:49,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:29:49,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:29:49,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:29:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:29:49,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:29:49,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:29:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-16 11:29:50,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:29:50,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:29:50,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065113249] [2022-11-16 11:29:50,071 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 11:29:50,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963688686] [2022-11-16 11:29:50,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963688686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:29:50,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:29:50,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:29:50,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365214400] [2022-11-16 11:29:50,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:29:50,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:29:50,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:29:50,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:29:50,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:29:50,075 INFO L87 Difference]: Start difference. First operand 193 states and 253 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-16 11:29:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:29:50,215 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2022-11-16 11:29:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:29:50,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 105 [2022-11-16 11:29:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:29:50,217 INFO L225 Difference]: With dead ends: 263 [2022-11-16 11:29:50,218 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:29:50,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:29:50,220 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:29:50,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 388 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:29:50,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:29:50,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:29:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:29:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:29:50,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-11-16 11:29:50,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:29:50,225 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:29:50,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-16 11:29:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:29:50,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:29:50,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:29:50,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:29:50,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:29:50,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:29:50,724 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6931 6936) the Hoare annotation is: true [2022-11-16 11:29:50,725 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6931 6936) no Hoare annotation was computed. [2022-11-16 11:29:50,725 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2022-11-16 11:29:50,725 INFO L899 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2022-11-16 11:29:50,725 INFO L902 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: true [2022-11-16 11:29:50,726 INFO L899 garLoopResultBuilder]: For program point L8229-7(lines 8229 8232) no Hoare annotation was computed. [2022-11-16 11:29:50,726 INFO L899 garLoopResultBuilder]: For program point L8229-5(lines 8229 8232) no Hoare annotation was computed. [2022-11-16 11:29:50,726 INFO L899 garLoopResultBuilder]: For program point L8229-4(line 8229) no Hoare annotation was computed. [2022-11-16 11:29:50,726 INFO L899 garLoopResultBuilder]: For program point L8262-5(lines 8262 8263) no Hoare annotation was computed. [2022-11-16 11:29:50,727 INFO L899 garLoopResultBuilder]: For program point L8219(lines 8219 8223) no Hoare annotation was computed. [2022-11-16 11:29:50,727 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validEXIT(lines 8275 8296) no Hoare annotation was computed. [2022-11-16 11:29:50,727 INFO L899 garLoopResultBuilder]: For program point L8271(line 8271) no Hoare annotation was computed. [2022-11-16 11:29:50,727 INFO L895 garLoopResultBuilder]: At program point L8271-5(lines 8217 8272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-11-16 11:29:50,728 INFO L899 garLoopResultBuilder]: For program point L8271-4(line 8271) no Hoare annotation was computed. [2022-11-16 11:29:50,728 INFO L899 garLoopResultBuilder]: For program point L8271-3(line 8271) no Hoare annotation was computed. [2022-11-16 11:29:50,731 INFO L895 garLoopResultBuilder]: At program point L8271-2(line 8271) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-11-16 11:29:50,732 INFO L895 garLoopResultBuilder]: At program point L8290(line 8290) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-11-16 11:29:50,732 INFO L899 garLoopResultBuilder]: For program point L8290-1(line 8290) no Hoare annotation was computed. [2022-11-16 11:29:50,732 INFO L902 garLoopResultBuilder]: At program point aws_priority_queue_is_validENTRY(lines 8275 8296) the Hoare annotation is: true [2022-11-16 11:29:50,732 INFO L899 garLoopResultBuilder]: For program point L8278(lines 8278 8282) no Hoare annotation was computed. [2022-11-16 11:29:50,733 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validFINAL(lines 8275 8296) no Hoare annotation was computed. [2022-11-16 11:29:50,733 INFO L899 garLoopResultBuilder]: For program point L8262(line 8262) no Hoare annotation was computed. [2022-11-16 11:29:50,733 INFO L899 garLoopResultBuilder]: For program point L8229-2(line 8229) no Hoare annotation was computed. [2022-11-16 11:29:50,733 INFO L899 garLoopResultBuilder]: For program point L8262-3(lines 8262 8263) no Hoare annotation was computed. [2022-11-16 11:29:50,733 INFO L899 garLoopResultBuilder]: For program point L8229-1(line 8229) no Hoare annotation was computed. [2022-11-16 11:29:50,733 INFO L899 garLoopResultBuilder]: For program point L8262-2(line 8262) no Hoare annotation was computed. [2022-11-16 11:29:50,734 INFO L895 garLoopResultBuilder]: At program point L8229(line 8229) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-11-16 11:29:50,734 INFO L899 garLoopResultBuilder]: For program point L6747-1(line 6747) no Hoare annotation was computed. [2022-11-16 11:29:50,734 INFO L902 garLoopResultBuilder]: At program point L6747(line 6747) the Hoare annotation is: true [2022-11-16 11:29:50,734 INFO L899 garLoopResultBuilder]: For program point L6749-1(line 6749) no Hoare annotation was computed. [2022-11-16 11:29:50,735 INFO L902 garLoopResultBuilder]: At program point L6749(line 6749) the Hoare annotation is: true [2022-11-16 11:29:50,735 INFO L899 garLoopResultBuilder]: For program point L6743(line 6743) no Hoare annotation was computed. [2022-11-16 11:29:50,735 INFO L899 garLoopResultBuilder]: For program point L6743-4(lines 6742 6754) no Hoare annotation was computed. [2022-11-16 11:29:50,735 INFO L899 garLoopResultBuilder]: For program point L6743-2(lines 6743 6753) no Hoare annotation was computed. [2022-11-16 11:29:50,736 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6742 6754) no Hoare annotation was computed. [2022-11-16 11:29:50,736 INFO L902 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 6742 6754) the Hoare annotation is: true [2022-11-16 11:29:50,736 INFO L902 garLoopResultBuilder]: At program point L6750(line 6750) the Hoare annotation is: true [2022-11-16 11:29:50,737 INFO L899 garLoopResultBuilder]: For program point L6752-1(line 6752) no Hoare annotation was computed. [2022-11-16 11:29:50,738 INFO L902 garLoopResultBuilder]: At program point L6752(line 6752) the Hoare annotation is: true [2022-11-16 11:29:50,738 INFO L899 garLoopResultBuilder]: For program point L6750-3(lines 6750 6752) no Hoare annotation was computed. [2022-11-16 11:29:50,739 INFO L899 garLoopResultBuilder]: For program point L6750-1(lines 6750 6752) no Hoare annotation was computed. [2022-11-16 11:29:50,740 INFO L899 garLoopResultBuilder]: For program point L6744-1(lines 6744 6746) no Hoare annotation was computed. [2022-11-16 11:29:50,740 INFO L902 garLoopResultBuilder]: At program point L6744(lines 6744 6746) the Hoare annotation is: true [2022-11-16 11:29:50,741 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6728 6740) no Hoare annotation was computed. [2022-11-16 11:29:50,741 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6728 6740) the Hoare annotation is: true [2022-11-16 11:29:50,743 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6728 6740) no Hoare annotation was computed. [2022-11-16 11:29:50,744 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 2935 2962) the Hoare annotation is: true [2022-11-16 11:29:50,744 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 2935 2962) no Hoare annotation was computed. [2022-11-16 11:29:50,744 INFO L899 garLoopResultBuilder]: For program point L2957(line 2957) no Hoare annotation was computed. [2022-11-16 11:29:50,744 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2955 2956) no Hoare annotation was computed. [2022-11-16 11:29:50,744 INFO L899 garLoopResultBuilder]: For program point L2957-2(line 2957) no Hoare annotation was computed. [2022-11-16 11:29:50,745 INFO L899 garLoopResultBuilder]: For program point L2955-3(lines 2955 2957) no Hoare annotation was computed. [2022-11-16 11:29:50,745 INFO L899 garLoopResultBuilder]: For program point L2955-2(lines 2955 2956) no Hoare annotation was computed. [2022-11-16 11:29:50,745 INFO L899 garLoopResultBuilder]: For program point L2955-5(lines 2955 2957) no Hoare annotation was computed. [2022-11-16 11:29:50,745 INFO L899 garLoopResultBuilder]: For program point L2939(lines 2939 2943) no Hoare annotation was computed. [2022-11-16 11:29:50,745 INFO L902 garLoopResultBuilder]: At program point L2948(line 2948) the Hoare annotation is: true [2022-11-16 11:29:50,746 INFO L899 garLoopResultBuilder]: For program point L2948-1(line 2948) no Hoare annotation was computed. [2022-11-16 11:29:50,746 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 2935 2962) no Hoare annotation was computed. [2022-11-16 11:29:50,746 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-16 11:29:50,746 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-16 11:29:50,746 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-16 11:29:50,747 INFO L899 garLoopResultBuilder]: For program point L7178(lines 7178 7180) no Hoare annotation was computed. [2022-11-16 11:29:50,747 INFO L899 garLoopResultBuilder]: For program point L7179-1(line 7179) no Hoare annotation was computed. [2022-11-16 11:29:50,747 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7177 7181) no Hoare annotation was computed. [2022-11-16 11:29:50,747 INFO L902 garLoopResultBuilder]: At program point L7179(line 7179) the Hoare annotation is: true [2022-11-16 11:29:50,747 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7177 7181) the Hoare annotation is: true [2022-11-16 11:29:50,748 INFO L899 garLoopResultBuilder]: For program point L7178-2(lines 7177 7181) no Hoare annotation was computed. [2022-11-16 11:29:50,749 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2022-11-16 11:29:50,749 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2022-11-16 11:29:50,749 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2022-11-16 11:29:50,749 INFO L902 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: true [2022-11-16 11:29:50,749 INFO L902 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: true [2022-11-16 11:29:50,750 INFO L902 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: true [2022-11-16 11:29:50,750 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2022-11-16 11:29:50,750 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2022-11-16 11:29:50,750 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validEXIT(lines 8178 8194) no Hoare annotation was computed. [2022-11-16 11:29:50,751 INFO L902 garLoopResultBuilder]: At program point aws_priority_queue_backpointer_index_validENTRY(lines 8178 8194) the Hoare annotation is: true [2022-11-16 11:29:50,751 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validFINAL(lines 8178 8194) no Hoare annotation was computed. [2022-11-16 11:29:50,751 INFO L899 garLoopResultBuilder]: For program point L8185(lines 8185 8190) no Hoare annotation was computed. [2022-11-16 11:29:50,751 INFO L899 garLoopResultBuilder]: For program point L8180-1(lines 8180 8184) no Hoare annotation was computed. [2022-11-16 11:29:50,751 INFO L902 garLoopResultBuilder]: At program point L8180(line 8180) the Hoare annotation is: true [2022-11-16 11:29:50,752 INFO L902 garLoopResultBuilder]: At program point L2337-3(lines 2337 2343) the Hoare annotation is: true [2022-11-16 11:29:50,752 INFO L899 garLoopResultBuilder]: For program point L2337-2(lines 2337 2343) no Hoare annotation was computed. [2022-11-16 11:29:50,752 INFO L899 garLoopResultBuilder]: For program point L2337-4(lines 2337 2343) no Hoare annotation was computed. [2022-11-16 11:29:50,752 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedEXIT(lines 2331 2348) no Hoare annotation was computed. [2022-11-16 11:29:50,752 INFO L902 garLoopResultBuilder]: At program point aws_is_mem_zeroedENTRY(lines 2331 2348) the Hoare annotation is: true [2022-11-16 11:29:50,753 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedFINAL(lines 2331 2348) no Hoare annotation was computed. [2022-11-16 11:29:50,753 INFO L899 garLoopResultBuilder]: For program point L2338(lines 2338 2342) no Hoare annotation was computed. [2022-11-16 11:29:50,753 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6948 6952) the Hoare annotation is: true [2022-11-16 11:29:50,753 INFO L899 garLoopResultBuilder]: For program point L6951-1(line 6951) no Hoare annotation was computed. [2022-11-16 11:29:50,753 INFO L902 garLoopResultBuilder]: At program point L6951(line 6951) the Hoare annotation is: true [2022-11-16 11:29:50,754 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6948 6952) no Hoare annotation was computed. [2022-11-16 11:29:50,754 INFO L899 garLoopResultBuilder]: For program point L6949-3(lines 6949 6951) no Hoare annotation was computed. [2022-11-16 11:29:50,754 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6948 6952) no Hoare annotation was computed. [2022-11-16 11:29:50,754 INFO L899 garLoopResultBuilder]: For program point L6949-1(lines 6949 6951) no Hoare annotation was computed. [2022-11-16 11:29:50,754 INFO L902 garLoopResultBuilder]: At program point L6949(line 6949) the Hoare annotation is: true [2022-11-16 11:29:50,755 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-16 11:29:50,755 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-16 11:29:50,755 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-16 11:29:50,755 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-16 11:29:50,755 INFO L902 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2022-11-16 11:29:50,756 INFO L899 garLoopResultBuilder]: For program point L7366(lines 7366 7368) no Hoare annotation was computed. [2022-11-16 11:29:50,756 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-16 11:29:50,756 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-16 11:29:50,757 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6938 6940) no Hoare annotation was computed. [2022-11-16 11:29:50,757 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6938 6940) no Hoare annotation was computed. [2022-11-16 11:29:50,757 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6938 6940) the Hoare annotation is: true [2022-11-16 11:29:50,758 INFO L902 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: true [2022-11-16 11:29:50,758 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-11-16 11:29:50,758 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-11-16 11:29:50,758 INFO L899 garLoopResultBuilder]: For program point L8475(lines 8475 8483) no Hoare annotation was computed. [2022-11-16 11:29:50,758 INFO L899 garLoopResultBuilder]: For program point L8450-1(line 8450) no Hoare annotation was computed. [2022-11-16 11:29:50,758 INFO L899 garLoopResultBuilder]: For program point L8475-2(lines 8475 8483) no Hoare annotation was computed. [2022-11-16 11:29:50,759 INFO L895 garLoopResultBuilder]: At program point L8492(line 8492) the Hoare annotation is: false [2022-11-16 11:29:50,759 INFO L899 garLoopResultBuilder]: For program point L8492-1(line 8492) no Hoare annotation was computed. [2022-11-16 11:29:50,759 INFO L899 garLoopResultBuilder]: For program point L6791-1(line 6791) no Hoare annotation was computed. [2022-11-16 11:29:50,759 INFO L895 garLoopResultBuilder]: At program point L6791(line 6791) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,760 INFO L895 garLoopResultBuilder]: At program point L8451(line 8451) the Hoare annotation is: false [2022-11-16 11:29:50,760 INFO L895 garLoopResultBuilder]: At program point L8451-1(line 8451) the Hoare annotation is: false [2022-11-16 11:29:50,760 INFO L899 garLoopResultBuilder]: For program point L7204-1(line 7204) no Hoare annotation was computed. [2022-11-16 11:29:50,760 INFO L895 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: false [2022-11-16 11:29:50,760 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:29:50,765 INFO L899 garLoopResultBuilder]: For program point L8451-2(line 8451) no Hoare annotation was computed. [2022-11-16 11:29:50,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:29:50,765 INFO L899 garLoopResultBuilder]: For program point L7196(lines 7196 7200) no Hoare annotation was computed. [2022-11-16 11:29:50,766 INFO L899 garLoopResultBuilder]: For program point L8460(lines 8460 8517) no Hoare annotation was computed. [2022-11-16 11:29:50,766 INFO L895 garLoopResultBuilder]: At program point L6800(lines 6783 6801) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,766 INFO L895 garLoopResultBuilder]: At program point L8452(line 8452) the Hoare annotation is: false [2022-11-16 11:29:50,766 INFO L895 garLoopResultBuilder]: At program point L8452-1(line 8452) the Hoare annotation is: false [2022-11-16 11:29:50,768 INFO L899 garLoopResultBuilder]: For program point L8452-2(line 8452) no Hoare annotation was computed. [2022-11-16 11:29:50,768 INFO L899 garLoopResultBuilder]: For program point L7205(lines 7205 7207) no Hoare annotation was computed. [2022-11-16 11:29:50,768 INFO L902 garLoopResultBuilder]: At program point L8518(line 8518) the Hoare annotation is: true [2022-11-16 11:29:50,768 INFO L895 garLoopResultBuilder]: At program point L8469(line 8469) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,769 INFO L895 garLoopResultBuilder]: At program point L8469-1(line 8469) the Hoare annotation is: (= 0 |ULTIMATE.start_aws_priority_queue_s_swap_harness_#t~ret946#1|) [2022-11-16 11:29:50,769 INFO L899 garLoopResultBuilder]: For program point L8469-2(line 8469) no Hoare annotation was computed. [2022-11-16 11:29:50,769 INFO L895 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: false [2022-11-16 11:29:50,769 INFO L899 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2022-11-16 11:29:50,770 INFO L899 garLoopResultBuilder]: For program point L8511-2(lines 8511 8513) no Hoare annotation was computed. [2022-11-16 11:29:50,770 INFO L899 garLoopResultBuilder]: For program point L8511(lines 8511 8513) no Hoare annotation was computed. [2022-11-16 11:29:50,770 INFO L899 garLoopResultBuilder]: For program point L8454(lines 8454 8457) no Hoare annotation was computed. [2022-11-16 11:29:50,770 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-11-16 11:29:50,770 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-11-16 11:29:50,771 INFO L895 garLoopResultBuilder]: At program point L7191(lines 7191 7208) the Hoare annotation is: false [2022-11-16 11:29:50,771 INFO L899 garLoopResultBuilder]: For program point L6803(lines 6803 6807) no Hoare annotation was computed. [2022-11-16 11:29:50,771 INFO L899 garLoopResultBuilder]: For program point L7183(lines 7183 7189) no Hoare annotation was computed. [2022-11-16 11:29:50,771 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-11-16 11:29:50,771 INFO L895 garLoopResultBuilder]: At program point L8455(line 8455) the Hoare annotation is: false [2022-11-16 11:29:50,772 INFO L899 garLoopResultBuilder]: For program point L8455-1(line 8455) no Hoare annotation was computed. [2022-11-16 11:29:50,772 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:29:50,772 INFO L895 garLoopResultBuilder]: At program point L8480(line 8480) the Hoare annotation is: false [2022-11-16 11:29:50,772 INFO L899 garLoopResultBuilder]: For program point L8480-1(line 8480) no Hoare annotation was computed. [2022-11-16 11:29:50,772 INFO L899 garLoopResultBuilder]: For program point L8447(lines 8447 8458) no Hoare annotation was computed. [2022-11-16 11:29:50,773 INFO L895 garLoopResultBuilder]: At program point L6804-1(line 6804) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,773 INFO L895 garLoopResultBuilder]: At program point L8472(line 8472) the Hoare annotation is: false [2022-11-16 11:29:50,773 INFO L895 garLoopResultBuilder]: At program point L6804(line 6804) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,773 INFO L899 garLoopResultBuilder]: For program point L8472-1(line 8472) no Hoare annotation was computed. [2022-11-16 11:29:50,773 INFO L899 garLoopResultBuilder]: For program point L7184(lines 7184 7188) no Hoare annotation was computed. [2022-11-16 11:29:50,774 INFO L895 garLoopResultBuilder]: At program point L8456(line 8456) the Hoare annotation is: false [2022-11-16 11:29:50,774 INFO L899 garLoopResultBuilder]: For program point L8456-1(line 8456) no Hoare annotation was computed. [2022-11-16 11:29:50,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:29:50,774 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-11-16 11:29:50,774 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-11-16 11:29:50,775 INFO L895 garLoopResultBuilder]: At program point L8448(line 8448) the Hoare annotation is: false [2022-11-16 11:29:50,775 INFO L895 garLoopResultBuilder]: At program point L8448-1(line 8448) the Hoare annotation is: false [2022-11-16 11:29:50,775 INFO L899 garLoopResultBuilder]: For program point L8448-2(line 8448) no Hoare annotation was computed. [2022-11-16 11:29:50,775 INFO L895 garLoopResultBuilder]: At program point L8473(line 8473) the Hoare annotation is: false [2022-11-16 11:29:50,775 INFO L899 garLoopResultBuilder]: For program point L8473-1(line 8473) no Hoare annotation was computed. [2022-11-16 11:29:50,776 INFO L899 garLoopResultBuilder]: For program point L6805(line 6805) no Hoare annotation was computed. [2022-11-16 11:29:50,776 INFO L895 garLoopResultBuilder]: At program point L8465(line 8465) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,776 INFO L899 garLoopResultBuilder]: For program point L8465-1(line 8465) no Hoare annotation was computed. [2022-11-16 11:29:50,776 INFO L895 garLoopResultBuilder]: At program point L8515(line 8515) the Hoare annotation is: false [2022-11-16 11:29:50,776 INFO L895 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: false [2022-11-16 11:29:50,777 INFO L899 garLoopResultBuilder]: For program point L8515-1(line 8515) no Hoare annotation was computed. [2022-11-16 11:29:50,777 INFO L895 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2022-11-16 11:29:50,777 INFO L895 garLoopResultBuilder]: At program point L8507(line 8507) the Hoare annotation is: false [2022-11-16 11:29:50,777 INFO L895 garLoopResultBuilder]: At program point L8507-1(line 8507) the Hoare annotation is: false [2022-11-16 11:29:50,777 INFO L899 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2022-11-16 11:29:50,778 INFO L899 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2022-11-16 11:29:50,778 INFO L895 garLoopResultBuilder]: At program point L8449(line 8449) the Hoare annotation is: false [2022-11-16 11:29:50,778 INFO L899 garLoopResultBuilder]: For program point L8449-1(line 8449) no Hoare annotation was computed. [2022-11-16 11:29:50,778 INFO L895 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: false [2022-11-16 11:29:50,778 INFO L899 garLoopResultBuilder]: For program point L8507-2(line 8507) no Hoare annotation was computed. [2022-11-16 11:29:50,779 INFO L895 garLoopResultBuilder]: At program point L6798(lines 6798 6799) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-16 11:29:50,780 INFO L899 garLoopResultBuilder]: For program point L7186-1(line 7186) no Hoare annotation was computed. [2022-11-16 11:29:50,780 INFO L899 garLoopResultBuilder]: For program point L6798-1(lines 6798 6799) no Hoare annotation was computed. [2022-11-16 11:29:50,780 INFO L895 garLoopResultBuilder]: At program point L8516(line 8516) the Hoare annotation is: false [2022-11-16 11:29:50,780 INFO L899 garLoopResultBuilder]: For program point L8516-1(line 8516) no Hoare annotation was computed. [2022-11-16 11:29:50,781 INFO L895 garLoopResultBuilder]: At program point L8450(line 8450) the Hoare annotation is: false [2022-11-16 11:29:50,782 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-11-16 11:29:50,782 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-11-16 11:29:50,782 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-16 11:29:50,782 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-16 11:29:50,783 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-16 11:29:50,783 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-16 11:29:50,783 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-16 11:29:50,784 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-16 11:29:50,788 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 11:29:50,790 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:29:50,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:29:50 BoogieIcfgContainer [2022-11-16 11:29:50,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:29:50,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:29:50,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:29:50,810 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:29:50,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:29:45" (3/4) ... [2022-11-16 11:29:50,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:29:50,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-16 11:29:50,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-16 11:29:50,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2022-11-16 11:29:50,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-11-16 11:29:50,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-11-16 11:29:50,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-11-16 11:29:50,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-16 11:29:50,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 11:29:50,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-16 11:29:50,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-16 11:29:50,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-11-16 11:29:50,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-11-16 11:29:50,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-11-16 11:29:50,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2022-11-16 11:29:50,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2022-11-16 11:29:50,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-16 11:29:50,851 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2022-11-16 11:29:50,853 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-16 11:29:50,855 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-16 11:29:50,857 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-16 11:29:50,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 11:29:50,860 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:29:50,861 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:29:50,863 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:29:51,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:29:51,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:29:51,699 INFO L158 Benchmark]: Toolchain (without parser) took 12350.45ms. Allocated memory was 127.9MB in the beginning and 234.9MB in the end (delta: 107.0MB). Free memory was 83.4MB in the beginning and 64.5MB in the end (delta: 18.9MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,700 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 127.9MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:29:51,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3401.96ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 83.2MB in the beginning and 78.7MB in the end (delta: 4.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 279.53ms. Allocated memory is still 169.9MB. Free memory was 78.7MB in the beginning and 120.1MB in the end (delta: -41.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,701 INFO L158 Benchmark]: Boogie Preprocessor took 105.66ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 112.9MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,702 INFO L158 Benchmark]: RCFGBuilder took 1982.38ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 109.1MB in the end (delta: 3.8MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,702 INFO L158 Benchmark]: TraceAbstraction took 5680.23ms. Allocated memory was 169.9MB in the beginning and 234.9MB in the end (delta: 65.0MB). Free memory was 108.1MB in the beginning and 66.8MB in the end (delta: 41.3MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,702 INFO L158 Benchmark]: Witness Printer took 888.46ms. Allocated memory is still 234.9MB. Free memory was 66.8MB in the beginning and 64.5MB in the end (delta: 2.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-16 11:29:51,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 127.9MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3401.96ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 83.2MB in the beginning and 78.7MB in the end (delta: 4.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 279.53ms. Allocated memory is still 169.9MB. Free memory was 78.7MB in the beginning and 120.1MB in the end (delta: -41.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.66ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 112.9MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1982.38ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 109.1MB in the end (delta: 3.8MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5680.23ms. Allocated memory was 169.9MB in the beginning and 234.9MB in the end (delta: 65.0MB). Free memory was 108.1MB in the beginning and 66.8MB in the end (delta: 41.3MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. * Witness Printer took 888.46ms. Allocated memory is still 234.9MB. Free memory was 66.8MB in the beginning and 64.5MB in the end (delta: 2.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 196 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 1819 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1212 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 607 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 282 PreInvPairs, 294 NumberOfFragments, 160 HoareAnnotationTreeSize, 282 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6908 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 309/309 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6783]: Loop Invariant Derived loop invariant: 2 <= queue && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 8518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8217]: Loop Invariant Derived loop invariant: !(0 < unknown-#StackHeapBarrier-unknown) || (queue <= 0 && queue <= queue) - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:29:51,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23506631-e3be-4aea-abe8-10c966e01614/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE