./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R --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 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- 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-38b53e6 [2022-11-25 18:29:51,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:29:51,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:29:51,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:29:51,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:29:51,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:29:51,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:29:51,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:29:51,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:29:51,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:29:51,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:29:51,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:29:51,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:29:51,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:29:51,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:29:51,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:29:51,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:29:51,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:29:51,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:29:51,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:29:51,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:29:51,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:29:51,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:29:51,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:29:51,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:29:51,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:29:51,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:29:51,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:29:51,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:29:51,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:29:51,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:29:51,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:29:51,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:29:51,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:29:51,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:29:51,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:29:51,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:29:51,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:29:51,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:29:51,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:29:51,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:29:51,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:29:51,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:29:51,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:29:51,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:29:51,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:29:51,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:29:51,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:29:51,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:29:51,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:29:51,277 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:29:51,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:29:51,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:29:51,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:29:51,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:29:51,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:29:51,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:29:51,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:29:51,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:29:51,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:29:51,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:29:51,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:29:51,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:29:51,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:29:51,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:29:51,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:29:51,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:29:51,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:29:51,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:29:51,282 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:29:51,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:29:51,282 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:29:51,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:29:51,283 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2022-11-25 18:29:51,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:29:51,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:29:51,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:29:51,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:29:51,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:29:51,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-11-25 18:29:54,619 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:29:55,191 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:29:55,192 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-11-25 18:29:55,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data/bdb7c66fa/b6b10b8e3c5a46e1bc5712369621af74/FLAG708a96b8f [2022-11-25 18:29:55,277 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data/bdb7c66fa/b6b10b8e3c5a46e1bc5712369621af74 [2022-11-25 18:29:55,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:29:55,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:29:55,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:29:55,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:29:55,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:29:55,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:29:55" (1/1) ... [2022-11-25 18:29:55,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e351f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:55, skipping insertion in model container [2022-11-25 18:29:55,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:29:55" (1/1) ... [2022-11-25 18:29:55,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:29:55,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:29:55,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-25 18:29:55,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-25 18:29:56,615 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:29:56,683 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:29:56,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,686 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,686 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,687 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,688 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,689 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:29:56,701 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,702 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,704 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,704 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,706 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,707 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,708 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,709 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:56,807 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:29:56,808 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:29:56,809 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:29:56,813 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:29:56,816 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:29:56,816 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:29:57,164 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:29:57,167 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:29:57,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:29:57,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:29:57,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:29:57,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:29:57,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:29:57,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:29:57,184 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:29:57,187 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:29:57,188 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:29:57,387 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,394 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,499 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:29:57,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:29:57,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:29:57,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-25 18:29:57,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-25 18:29:57,622 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:29:57,644 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:29:57,645 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,646 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,646 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,646 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,647 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,650 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:29:57,660 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,662 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,668 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,669 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,669 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,670 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,681 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:29:57,682 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:29:57,683 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:29:57,687 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:29:57,692 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:29:57,692 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:29:57,727 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:29:57,728 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:29:57,728 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:29:57,729 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:29:57,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:29:57,733 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:29:57,735 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:29:57,735 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:29:57,736 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:29:57,737 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:29:57,738 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:29:57,794 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,800 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:29:57,833 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:29:57,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:29:58,100 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:29:58,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58 WrapperNode [2022-11-25 18:29:58,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:29:58,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:29:58,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:29:58,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:29:58,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,286 INFO L138 Inliner]: procedures = 691, calls = 1683, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 683 [2022-11-25 18:29:58,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:29:58,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:29:58,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:29:58,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:29:58,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:29:58,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:29:58,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:29:58,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:29:58,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (1/1) ... [2022-11-25 18:29:58,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:29:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:29:58,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:29:58,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:29:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-11-25 18:29:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-11-25 18:29:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:29:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 18:29:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 18:29:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 18:29:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 18:29:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 18:29:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 18:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 18:29:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 18:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 18:29:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 18:29:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:29:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:29:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:29:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:29:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:29:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 18:29:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 18:29:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 18:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 18:29:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 18:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 18:29:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 18:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 18:29:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:29:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:29:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:29:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:29:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:29:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 18:29:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 18:29:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 18:29:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 18:29:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:29:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-11-25 18:29:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-11-25 18:29:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2022-11-25 18:29:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2022-11-25 18:29:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 18:29:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 18:29:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:29:58,930 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:29:58,933 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:30:00,097 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:30:00,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:30:00,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:30:00,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:00 BoogieIcfgContainer [2022-11-25 18:30:00,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:30:00,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:30:00,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:30:00,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:30:00,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:29:55" (1/3) ... [2022-11-25 18:30:00,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3d8a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:30:00, skipping insertion in model container [2022-11-25 18:30:00,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:58" (2/3) ... [2022-11-25 18:30:00,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3d8a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:30:00, skipping insertion in model container [2022-11-25 18:30:00,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:00" (3/3) ... [2022-11-25 18:30:00,135 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2022-11-25 18:30:00,155 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:30:00,155 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:30:00,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:30:00,220 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;@115c1928, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:30:00,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:30:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-25 18:30:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 18:30:00,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:00,242 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:00,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:30:00,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash 928387541, now seen corresponding path program 1 times [2022-11-25 18:30:00,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:00,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384237598] [2022-11-25 18:30:00,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:00,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:30:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:30:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:30:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 18:30:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:30:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:30:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 18:30:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:30:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 18:30:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:30:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-25 18:30:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-25 18:30:01,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:01,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384237598] [2022-11-25 18:30:01,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384237598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:01,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:01,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:30:01,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943387730] [2022-11-25 18:30:01,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:01,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:30:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:01,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:30:01,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:01,187 INFO L87 Difference]: Start difference. First operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:30:02,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:02,261 INFO L93 Difference]: Finished difference Result 413 states and 633 transitions. [2022-11-25 18:30:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:30:02,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2022-11-25 18:30:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:02,283 INFO L225 Difference]: With dead ends: 413 [2022-11-25 18:30:02,283 INFO L226 Difference]: Without dead ends: 230 [2022-11-25 18:30:02,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:30:02,295 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 72 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:02,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 315 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 18:30:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-11-25 18:30:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2022-11-25 18:30:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 107 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-11-25 18:30:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 239 transitions. [2022-11-25 18:30:02,365 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 239 transitions. Word has length 84 [2022-11-25 18:30:02,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:02,366 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 239 transitions. [2022-11-25 18:30:02,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:30:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2022-11-25 18:30:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 18:30:02,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:02,370 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:02,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:30:02,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:30:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash -734960815, now seen corresponding path program 1 times [2022-11-25 18:30:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:02,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111690441] [2022-11-25 18:30:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:30:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:30:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:30:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:30:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 18:30:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-25 18:30:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:30:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:30:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 18:30:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:30:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 18:30:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:30:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-25 18:30:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-25 18:30:02,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:02,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111690441] [2022-11-25 18:30:02,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111690441] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:30:02,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417776390] [2022-11-25 18:30:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:02,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:02,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:03,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:03,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:30:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:03,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:30:03,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-25 18:30:03,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:03,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417776390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:03,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:30:03,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-11-25 18:30:03,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38138022] [2022-11-25 18:30:03,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:03,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:30:03,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:03,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:30:03,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:30:03,693 INFO L87 Difference]: Start difference. First operand 180 states and 239 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 18:30:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:04,015 INFO L93 Difference]: Finished difference Result 325 states and 446 transitions. [2022-11-25 18:30:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:30:04,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2022-11-25 18:30:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:04,018 INFO L225 Difference]: With dead ends: 325 [2022-11-25 18:30:04,018 INFO L226 Difference]: Without dead ends: 182 [2022-11-25 18:30:04,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:30:04,020 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 245 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:04,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 706 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:30:04,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-25 18:30:04,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-25 18:30:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2022-11-25 18:30:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 250 transitions. [2022-11-25 18:30:04,044 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 250 transitions. Word has length 84 [2022-11-25 18:30:04,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:04,044 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 250 transitions. [2022-11-25 18:30:04,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 18:30:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2022-11-25 18:30:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 18:30:04,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:04,047 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:04,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:04,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:04,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:30:04,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:04,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1141222523, now seen corresponding path program 1 times [2022-11-25 18:30:04,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:04,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266416894] [2022-11-25 18:30:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:04,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:04,360 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 18:30:04,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375250250] [2022-11-25 18:30:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:04,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:04,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:04,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:04,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:30:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:04,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:30:04,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:04,974 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 18:30:04,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:04,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:04,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266416894] [2022-11-25 18:30:04,975 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 18:30:04,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375250250] [2022-11-25 18:30:04,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375250250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:04,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:04,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:30:04,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989849394] [2022-11-25 18:30:04,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:04,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:30:04,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:30:04,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:30:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:30:04,982 INFO L87 Difference]: Start difference. First operand 182 states and 250 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-25 18:30:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:05,482 INFO L93 Difference]: Finished difference Result 317 states and 440 transitions. [2022-11-25 18:30:05,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:30:05,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2022-11-25 18:30:05,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:05,484 INFO L225 Difference]: With dead ends: 317 [2022-11-25 18:30:05,484 INFO L226 Difference]: Without dead ends: 182 [2022-11-25 18:30:05,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:30:05,486 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 265 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:30:05,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 934 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 18:30:05,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-25 18:30:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-25 18:30:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 107 states have (on average 1.1869158878504673) internal successors, (127), 109 states have internal predecessors, (127), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2022-11-25 18:30:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2022-11-25 18:30:05,526 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 99 [2022-11-25 18:30:05,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:05,527 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2022-11-25 18:30:05,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-25 18:30:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2022-11-25 18:30:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 18:30:05,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:05,537 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:05,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:05,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:05,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:30:05,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:05,752 INFO L85 PathProgramCache]: Analyzing trace with hash 232916013, now seen corresponding path program 2 times [2022-11-25 18:30:05,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:30:05,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990032175] [2022-11-25 18:30:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:05,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:30:05,822 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 18:30:05,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133141239] [2022-11-25 18:30:05,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:30:05,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:05,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:30:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:30:06,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:30:06,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:30:06,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 2409 conjuncts, 409 conjunts are in the unsatisfiable core [2022-11-25 18:30:06,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:08,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-25 18:30:12,510 INFO L217 Elim1Store]: Index analysis took 260 ms [2022-11-25 18:30:17,401 INFO L321 Elim1Store]: treesize reduction 712, result has 50.0 percent of original size [2022-11-25 18:30:17,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 179 select indices, 179 select index equivalence classes, 15753 disjoint index pairs (out of 15931 index pairs), introduced 179 new quantified variables, introduced 178 case distinctions, treesize of input 896 treesize of output 1250 [2022-11-25 18:30:44,890 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 178 dual juncts. [2022-11-25 18:30:44,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:30:44,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990032175] [2022-11-25 18:30:44,891 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 18:30:44,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133141239] [2022-11-25 18:30:44,891 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-25 18:30:44,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:45,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:30:45,093 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) [2022-11-25 18:30:45,095 INFO L158 Benchmark]: Toolchain (without parser) took 49814.08ms. Allocated memory was 155.2MB in the beginning and 599.8MB in the end (delta: 444.6MB). Free memory was 126.7MB in the beginning and 259.5MB in the end (delta: -132.8MB). Peak memory consumption was 397.3MB. Max. memory is 16.1GB. [2022-11-25 18:30:45,095 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 124.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:30:45,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2816.60ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 126.7MB in the beginning and 119.7MB in the end (delta: 7.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2022-11-25 18:30:45,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.64ms. Allocated memory is still 209.7MB. Free memory was 119.7MB in the beginning and 111.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 18:30:45,096 INFO L158 Benchmark]: Boogie Preprocessor took 129.78ms. Allocated memory is still 209.7MB. Free memory was 111.1MB in the beginning and 104.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 18:30:45,097 INFO L158 Benchmark]: RCFGBuilder took 1694.02ms. Allocated memory is still 209.7MB. Free memory was 103.8MB in the beginning and 124.6MB in the end (delta: -20.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-25 18:30:45,097 INFO L158 Benchmark]: TraceAbstraction took 44979.14ms. Allocated memory was 209.7MB in the beginning and 599.8MB in the end (delta: 390.1MB). Free memory was 123.5MB in the beginning and 259.5MB in the end (delta: -136.0MB). Peak memory consumption was 339.9MB. Max. memory is 16.1GB. [2022-11-25 18:30:45,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 124.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2816.60ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 126.7MB in the beginning and 119.7MB in the end (delta: 7.1MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.64ms. Allocated memory is still 209.7MB. Free memory was 119.7MB in the beginning and 111.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.78ms. Allocated memory is still 209.7MB. Free memory was 111.1MB in the beginning and 104.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1694.02ms. Allocated memory is still 209.7MB. Free memory was 103.8MB in the beginning and 124.6MB in the end (delta: -20.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 44979.14ms. Allocated memory was 209.7MB in the beginning and 599.8MB in the end (delta: 390.1MB). Free memory was 123.5MB in the beginning and 259.5MB in the end (delta: -136.0MB). Peak memory consumption was 339.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-25 18:30:45,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R --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 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- 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-38b53e6 [2022-11-25 18:30:47,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:30:47,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:30:47,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:30:47,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:30:47,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:30:47,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:30:47,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:30:47,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:30:47,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:30:47,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:30:47,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:30:47,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:30:47,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:30:47,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:30:47,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:30:47,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:30:47,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:30:47,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:30:47,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:30:47,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:30:47,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:30:47,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:30:47,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:30:47,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:30:47,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:30:47,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:30:47,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:30:47,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:30:47,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:30:47,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:30:47,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:30:47,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:30:47,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:30:47,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:30:47,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:30:47,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:30:47,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:30:47,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:30:47,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:30:47,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:30:47,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 18:30:47,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:30:47,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:30:47,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:30:47,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:30:47,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:30:47,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:30:47,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:30:47,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:30:47,573 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:30:47,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:30:47,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:30:47,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:30:47,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:30:47,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:30:47,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:30:47,574 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:30:47,574 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:30:47,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:30:47,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:30:47,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:30:47,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:30:47,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:30:47,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:30:47,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:30:47,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:30:47,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:30:47,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:30:47,576 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:30:47,577 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:30:47,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:30:47,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:30:47,577 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:30:47,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:30:47,578 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:30:47,578 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2022-11-25 18:30:47,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:30:47,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:30:47,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:30:47,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:30:47,959 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:30:47,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-11-25 18:30:51,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:30:51,644 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:30:51,645 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2022-11-25 18:30:51,680 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data/9a4cdf528/05bf3ca0e4cd484b9c94ff6170c0c340/FLAG0118ea500 [2022-11-25 18:30:51,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/data/9a4cdf528/05bf3ca0e4cd484b9c94ff6170c0c340 [2022-11-25 18:30:51,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:30:51,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:30:51,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:30:51,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:30:51,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:30:51,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:51" (1/1) ... [2022-11-25 18:30:51,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72415595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:51, skipping insertion in model container [2022-11-25 18:30:51,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:30:51" (1/1) ... [2022-11-25 18:30:51,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:30:51,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:30:52,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-25 18:30:52,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-25 18:30:52,812 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:30:52,917 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:30:52,918 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,919 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,920 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,920 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,921 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,922 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:30:52,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,945 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,946 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,948 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,950 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,951 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:52,951 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,039 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:53,040 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:53,043 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:53,068 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:30:53,070 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:30:53,073 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:30:53,341 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:30:53,342 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:30:53,343 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:30:53,345 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:30:53,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:30:53,348 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:30:53,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:30:53,349 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:30:53,350 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:30:53,351 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:30:53,352 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:30:53,506 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,525 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,607 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:30:53,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:53,673 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 18:30:53,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:30:53,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-25 18:30:53,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-25 18:30:53,790 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:30:53,807 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:30:53,808 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,809 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,809 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,809 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,810 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,811 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:30:53,820 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,821 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,839 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:53,839 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:53,841 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:53,847 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:30:53,849 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:30:53,850 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:30:53,885 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:30:53,886 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:30:53,887 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:30:53,889 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:30:53,890 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:30:53,891 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:30:53,892 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:30:53,893 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:30:53,893 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:30:53,894 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:30:53,895 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:30:53,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,948 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:53,984 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:30:53,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:54,008 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:30:54,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2022-11-25 18:30:54,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2022-11-25 18:30:54,101 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 18:30:54,115 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:30:54,116 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,116 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,116 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,117 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,118 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,119 WARN L623 FunctionHandler]: Unknown extern function my_memmove [2022-11-25 18:30:54,125 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,126 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,126 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,127 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,128 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,129 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,129 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,129 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,137 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:54,137 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:54,138 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 18:30:54,141 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 18:30:54,142 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 18:30:54,143 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 18:30:54,173 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 18:30:54,173 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 18:30:54,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 18:30:54,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 18:30:54,175 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 18:30:54,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 18:30:54,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 18:30:54,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 18:30:54,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 18:30:54,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 18:30:54,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 18:30:54,208 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,211 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 18:30:54,237 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 18:30:54,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:30:54,483 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:30:54,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54 WrapperNode [2022-11-25 18:30:54,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:30:54,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:30:54,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:30:54,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:30:54,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,710 INFO L138 Inliner]: procedures = 711, calls = 1683, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 680 [2022-11-25 18:30:54,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:30:54,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:30:54,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:30:54,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:30:54,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:30:54,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:30:54,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:30:54,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:30:54,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (1/1) ... [2022-11-25 18:30:54,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:30:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:30:54,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:30:54,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:30:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-11-25 18:30:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-11-25 18:30:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:30:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 18:30:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 18:30:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 18:30:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 18:30:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 18:30:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 18:30:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:30:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 18:30:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 18:30:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 18:30:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 18:30:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 18:30:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 18:30:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:30:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:30:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:30:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:30:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:30:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 18:30:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 18:30:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 18:30:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 18:30:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 18:30:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 18:30:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 18:30:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 18:30:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 18:30:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 18:30:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:30:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:30:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:30:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:30:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 18:30:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 18:30:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:30:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 18:30:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 18:30:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 18:30:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 18:30:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-11-25 18:30:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-11-25 18:30:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2022-11-25 18:30:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2022-11-25 18:30:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 18:30:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 18:30:55,397 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:30:55,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:30:57,763 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:30:57,774 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:30:57,774 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:30:57,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:57 BoogieIcfgContainer [2022-11-25 18:30:57,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:30:57,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:30:57,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:30:57,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:30:57,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:30:51" (1/3) ... [2022-11-25 18:30:57,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f142e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:30:57, skipping insertion in model container [2022-11-25 18:30:57,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:30:54" (2/3) ... [2022-11-25 18:30:57,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f142e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:30:57, skipping insertion in model container [2022-11-25 18:30:57,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:30:57" (3/3) ... [2022-11-25 18:30:57,789 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2022-11-25 18:30:57,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:30:57,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:30:57,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:30:57,888 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;@78bd9d1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:30:57,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:30:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-25 18:30:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 18:30:57,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:57,909 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:57,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:30:57,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash 642443003, now seen corresponding path program 1 times [2022-11-25 18:30:57,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:57,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027104728] [2022-11-25 18:30:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:57,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 18:30:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:30:58,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 18:30:58,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:30:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-25 18:30:58,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:30:58,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:30:58,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027104728] [2022-11-25 18:30:58,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027104728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:30:58,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:30:58,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:30:58,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297157689] [2022-11-25 18:30:58,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:30:58,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:30:58,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:30:58,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:30:58,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:30:58,959 INFO L87 Difference]: Start difference. First operand has 184 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:30:59,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:30:59,010 INFO L93 Difference]: Finished difference Result 361 states and 517 transitions. [2022-11-25 18:30:59,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:30:59,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2022-11-25 18:30:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:30:59,029 INFO L225 Difference]: With dead ends: 361 [2022-11-25 18:30:59,029 INFO L226 Difference]: Without dead ends: 179 [2022-11-25 18:30:59,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:30:59,036 INFO L413 NwaCegarLoop]: 243 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, 243 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 [2022-11-25 18:30:59,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:30:59,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-25 18:30:59,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2022-11-25 18:30:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 105 states have (on average 1.1904761904761905) internal successors, (125), 106 states have internal predecessors, (125), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-11-25 18:30:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 238 transitions. [2022-11-25 18:30:59,128 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 238 transitions. Word has length 84 [2022-11-25 18:30:59,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:30:59,129 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 238 transitions. [2022-11-25 18:30:59,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:30:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 238 transitions. [2022-11-25 18:30:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 18:30:59,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:30:59,135 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:30:59,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:30:59,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:59,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:30:59,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:30:59,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1020905353, now seen corresponding path program 1 times [2022-11-25 18:30:59,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:30:59,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498399229] [2022-11-25 18:30:59,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:30:59,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:30:59,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:30:59,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:30:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 18:31:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:00,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:31:00,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:31:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-25 18:31:00,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:31:00,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:31:00,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498399229] [2022-11-25 18:31:00,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498399229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:31:00,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:31:00,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:31:00,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045345469] [2022-11-25 18:31:00,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:31:00,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:31:00,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:31:00,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:31:00,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:31:00,281 INFO L87 Difference]: Start difference. First operand 179 states and 238 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 18:31:00,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:31:00,843 INFO L93 Difference]: Finished difference Result 323 states and 444 transitions. [2022-11-25 18:31:00,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:31:00,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 84 [2022-11-25 18:31:00,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:31:00,847 INFO L225 Difference]: With dead ends: 323 [2022-11-25 18:31:00,848 INFO L226 Difference]: Without dead ends: 181 [2022-11-25 18:31:00,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:31:00,850 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 38 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:31:00,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 767 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 18:31:00,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-25 18:31:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2022-11-25 18:31:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (66), 56 states have call predecessors, (66), 56 states have call successors, (66) [2022-11-25 18:31:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2022-11-25 18:31:00,872 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 84 [2022-11-25 18:31:00,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:31:00,872 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2022-11-25 18:31:00,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 18:31:00,873 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2022-11-25 18:31:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 18:31:00,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:31:00,876 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:31:00,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:31:01,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:31:01,101 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:31:01,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash 327548161, now seen corresponding path program 1 times [2022-11-25 18:31:01,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:31:01,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371359360] [2022-11-25 18:31:01,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:01,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:31:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:31:01,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:31:01,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 18:31:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:02,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:31:02,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:31:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 18:31:02,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:31:02,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:31:02,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371359360] [2022-11-25 18:31:02,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371359360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:31:02,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:31:02,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:31:02,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653740818] [2022-11-25 18:31:02,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:31:02,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:31:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:31:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:31:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:31:02,291 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-25 18:31:03,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:31:03,168 INFO L93 Difference]: Finished difference Result 315 states and 438 transitions. [2022-11-25 18:31:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:31:03,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 99 [2022-11-25 18:31:03,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:31:03,171 INFO L225 Difference]: With dead ends: 315 [2022-11-25 18:31:03,171 INFO L226 Difference]: Without dead ends: 181 [2022-11-25 18:31:03,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:31:03,173 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 80 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:31:03,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1082 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:31:03,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-25 18:31:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2022-11-25 18:31:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 108 states have internal predecessors, (126), 57 states have call successors, (57), 16 states have call predecessors, (57), 17 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2022-11-25 18:31:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2022-11-25 18:31:03,233 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 99 [2022-11-25 18:31:03,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:31:03,234 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2022-11-25 18:31:03,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-25 18:31:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2022-11-25 18:31:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 18:31:03,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:31:03,241 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:31:03,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:31:03,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:31:03,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:31:03,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash -316276691, now seen corresponding path program 2 times [2022-11-25 18:31:03,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:31:03,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358522308] [2022-11-25 18:31:03,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:31:03,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:31:03,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:31:03,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:31:03,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 18:31:07,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:31:07,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:31:07,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:31:07,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:31:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 18:31:07,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:31:07,697 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:31:07,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358522308] [2022-11-25 18:31:07,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358522308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:31:07,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:31:07,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:31:07,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991706597] [2022-11-25 18:31:07,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:31:07,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:31:07,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:31:07,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:31:07,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:31:07,699 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-25 18:31:08,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:31:08,921 INFO L93 Difference]: Finished difference Result 324 states and 448 transitions. [2022-11-25 18:31:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:31:08,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 114 [2022-11-25 18:31:08,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:31:08,930 INFO L225 Difference]: With dead ends: 324 [2022-11-25 18:31:08,931 INFO L226 Difference]: Without dead ends: 193 [2022-11-25 18:31:08,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:31:08,935 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 89 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:31:08,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1460 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 18:31:08,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-25 18:31:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-11-25 18:31:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 112 states have (on average 1.1875) internal successors, (133), 114 states have internal predecessors, (133), 62 states have call successors, (62), 17 states have call predecessors, (62), 18 states have return successors, (68), 61 states have call predecessors, (68), 61 states have call successors, (68) [2022-11-25 18:31:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 263 transitions. [2022-11-25 18:31:08,970 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 263 transitions. Word has length 114 [2022-11-25 18:31:08,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:31:08,973 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 263 transitions. [2022-11-25 18:31:08,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 7 states have internal predecessors, (46), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-25 18:31:08,974 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 263 transitions. [2022-11-25 18:31:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 18:31:08,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:31:08,982 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:31:09,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:31:09,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:31:09,203 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:31:09,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:09,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1013494811, now seen corresponding path program 1 times [2022-11-25 18:31:09,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:31:09,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475955346] [2022-11-25 18:31:09,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:09,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:31:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:31:09,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:31:09,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 18:32:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 233 conjunts are in the unsatisfiable core [2022-11-25 18:32:31,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:32:31,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-25 18:32:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:32:50,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 186 [2022-11-25 18:32:56,149 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v___CPROVER_overflow_mult_~#c~1.base_11| (_ BitVec 64)) (v_ArrVal_294 (_ BitVec 1))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_11| v_ArrVal_294)) (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_11|)))) is different from true [2022-11-25 18:32:58,510 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_295 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_295))) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_11| (_ BitVec 64)) (v_ArrVal_294 (_ BitVec 1))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_11| v_ArrVal_294)) (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_11|))))) is different from true [2022-11-25 18:33:04,344 INFO L321 Elim1Store]: treesize reduction 63, result has 33.7 percent of original size [2022-11-25 18:33:04,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 63 [2022-11-25 18:33:04,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 109 [2022-11-25 18:33:17,314 INFO L321 Elim1Store]: treesize reduction 72, result has 24.2 percent of original size [2022-11-25 18:33:17,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 45 [2022-11-25 18:33:28,748 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_301 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_12| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_12|)) (= (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_12| v_ArrVal_301) |c_#valid|))) is different from true [2022-11-25 18:33:31,255 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_301 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_12| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_12|)) (= (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_12| v_ArrVal_301) |c_#valid|))) (exists ((v_ArrVal_302 (Array (_ BitVec 64) (_ BitVec 8)))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_302) |c_#memory_int|))) is different from true [2022-11-25 18:33:44,317 INFO L321 Elim1Store]: treesize reduction 155, result has 28.6 percent of original size [2022-11-25 18:33:44,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 57 treesize of output 103 [2022-11-25 18:33:44,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 111 [2022-11-25 18:34:11,168 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_307 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_13| (_ BitVec 64))) (and (= (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13| v_ArrVal_307) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13|)))) is different from true [2022-11-25 18:34:13,797 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_308 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_308))) (exists ((v_ArrVal_309 (Array (_ BitVec 64) (_ BitVec 64)))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_309) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_307 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_13| (_ BitVec 64))) (and (= (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13| v_ArrVal_307) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_13|))))) is different from true [2022-11-25 18:34:27,892 INFO L321 Elim1Store]: treesize reduction 155, result has 28.6 percent of original size [2022-11-25 18:34:27,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 57 treesize of output 103 [2022-11-25 18:34:27,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 18:34:27,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 111 [2022-11-25 18:35:14,781 WARN L837 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base) (let ((.cse3 (let ((.cse7 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse7 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64)))))) (.cse0 (let ((.cse6 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse6 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse6 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (or (and (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (v_ArrVal_316 (Array (_ BitVec 64) (_ BitVec 64))) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64)) (v_ArrVal_320 (Array (_ BitVec 64) (_ BitVec 64)))) (and (bvuge .cse0 (let ((.cse1 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse1 (_ bv7 64)) (select .cse1 (_ bv6 64))) (select .cse1 (_ bv5 64))) (select .cse1 (_ bv4 64))) (select .cse1 (_ bv3 64))) (select .cse1 (_ bv2 64))) (select .cse1 (_ bv1 64))) (select .cse1 (_ bv0 64))))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_316)) (= (_ bv0 1) (select |c_old(#valid)| |aws_array_list_is_valid_~#required_size~0.base|)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_320)) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse2 (bvmul .cse3 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse2)) (_ bv1 64) ((_ extract 15 8) .cse2)) (_ bv2 64) ((_ extract 23 16) .cse2)) (_ bv3 64) ((_ extract 31 24) .cse2)) (_ bv4 64) ((_ extract 39 32) .cse2)) (_ bv5 64) ((_ extract 47 40) .cse2)) (_ bv6 64) ((_ extract 55 48) .cse2)) (_ bv7 64) ((_ extract 63 56) .cse2)))) |c_#memory_int|)))) (and (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (v_ArrVal_316 (Array (_ BitVec 64) (_ BitVec 64))) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64)) (v_ArrVal_320 (Array (_ BitVec 64) (_ BitVec 64)))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_316)) (= (_ bv0 1) (select |c_old(#valid)| |aws_array_list_is_valid_~#required_size~0.base|)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_320)) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse4 (bvmul .cse3 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse4)) (_ bv1 64) ((_ extract 15 8) .cse4)) (_ bv2 64) ((_ extract 23 16) .cse4)) (_ bv3 64) ((_ extract 31 24) .cse4)) (_ bv4 64) ((_ extract 39 32) .cse4)) (_ bv5 64) ((_ extract 47 40) .cse4)) (_ bv6 64) ((_ extract 55 48) .cse4)) (_ bv7 64) ((_ extract 63 56) .cse4)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse5 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse5 (_ bv7 64)) (select .cse5 (_ bv6 64))) (select .cse5 (_ bv5 64))) (select .cse5 (_ bv4 64))) (select .cse5 (_ bv3 64))) (select .cse5 (_ bv2 64))) (select .cse5 (_ bv1 64))) (select .cse5 (_ bv0 64)))))))))))) is different from false [2022-11-25 18:36:09,820 WARN L233 SmtUtils]: Spent 11.08s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:37:30,593 WARN L233 SmtUtils]: Spent 20.35s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:38:33,886 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse7 (let ((.cse14 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse14 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse14 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse14 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse14 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse14 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse14 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse14 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse14 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))))) (.cse8 (concat (concat (concat (concat (concat (concat (concat (select .cse12 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse12 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse12 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse12 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse12 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|)))) (.cse13 (bvadd (_ bv32 64) |c_aws_array_list_is_valid_#in~list.offset|))) (let ((.cse0 (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| |c_aws_array_list_is_valid_#in~list.base|) .cse13))) (.cse2 (= (_ bv0 64) (select (select |c_#memory_$Pointer$.offset| |c_aws_array_list_is_valid_#in~list.base|) .cse13))) (.cse3 (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse12 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse12 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse12 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse12 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|))))) (.cse1 (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (v_ArrVal_316 (Array (_ BitVec 64) (_ BitVec 64))) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64)) (v_ArrVal_320 (Array (_ BitVec 64) (_ BitVec 64)))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse10 (bvmul .cse7 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse10)) (_ bv1 64) ((_ extract 15 8) .cse10)) (_ bv2 64) ((_ extract 23 16) .cse10)) (_ bv3 64) ((_ extract 31 24) .cse10)) (_ bv4 64) ((_ extract 39 32) .cse10)) (_ bv5 64) ((_ extract 47 40) .cse10)) (_ bv6 64) ((_ extract 55 48) .cse10)) (_ bv7 64) ((_ extract 63 56) .cse10))))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_316)) (= (_ bv0 1) (select |c_old(#valid)| |aws_array_list_is_valid_~#required_size~0.base|)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_320)) (bvuge .cse8 (let ((.cse11 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse11 (_ bv7 64)) (select .cse11 (_ bv6 64))) (select .cse11 (_ bv5 64))) (select .cse11 (_ bv4 64))) (select .cse11 (_ bv3 64))) (select .cse11 (_ bv2 64))) (select .cse11 (_ bv1 64))) (select .cse11 (_ bv0 64))))))))) (or (and .cse0 .cse1 .cse2 (not .cse3) (= (_ bv1 8) |c_aws_array_list_is_valid_#res|)) (and (let ((.cse5 (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (v_ArrVal_316 (Array (_ BitVec 64) (_ BitVec 64))) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64)) (v_ArrVal_320 (Array (_ BitVec 64) (_ BitVec 64)))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse6 (bvmul .cse7 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse6)) (_ bv1 64) ((_ extract 15 8) .cse6)) (_ bv2 64) ((_ extract 23 16) .cse6)) (_ bv3 64) ((_ extract 31 24) .cse6)) (_ bv4 64) ((_ extract 39 32) .cse6)) (_ bv5 64) ((_ extract 47 40) .cse6)) (_ bv6 64) ((_ extract 55 48) .cse6)) (_ bv7 64) ((_ extract 63 56) .cse6))))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_316)) (not (bvuge .cse8 (let ((.cse9 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse9 (_ bv7 64)) (select .cse9 (_ bv6 64))) (select .cse9 (_ bv5 64))) (select .cse9 (_ bv4 64))) (select .cse9 (_ bv3 64))) (select .cse9 (_ bv2 64))) (select .cse9 (_ bv1 64))) (select .cse9 (_ bv0 64)))))) (= (_ bv0 1) (select |c_old(#valid)| |aws_array_list_is_valid_~#required_size~0.base|)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| v_ArrVal_320)))))) (let ((.cse4 (or .cse1 .cse5))) (or (and (or (not .cse0) (not .cse2)) .cse4) (and .cse3 .cse4) .cse5))) (= |c_aws_array_list_is_valid_#res| (_ bv0 8))))))) is different from false [2022-11-25 18:38:49,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 16 select indices, 16 select index equivalence classes, 278 disjoint index pairs (out of 120 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 3517 treesize of output 2914 [2022-11-25 18:38:51,133 INFO L217 Elim1Store]: Index analysis took 947 ms [2022-11-25 18:38:52,631 INFO L321 Elim1Store]: treesize reduction 100, result has 13.0 percent of original size [2022-11-25 18:38:52,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 850 treesize of output 1069 [2022-11-25 18:38:54,836 INFO L217 Elim1Store]: Index analysis took 1307 ms [2022-11-25 18:38:56,486 INFO L321 Elim1Store]: treesize reduction 100, result has 13.0 percent of original size [2022-11-25 18:38:56,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 832 treesize of output 1051 [2022-11-25 18:38:58,953 INFO L217 Elim1Store]: Index analysis took 1663 ms [2022-11-25 18:39:13,234 WARN L233 SmtUtils]: Spent 14.22s on a formula simplification. DAG size of input: 185 DAG size of output: 176 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 18:39:13,235 INFO L321 Elim1Store]: treesize reduction 18, result has 94.6 percent of original size [2022-11-25 18:39:13,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 828 treesize of output 1122 [2022-11-25 18:39:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 38 proven. 56 refuted. 34 times theorem prover too weak. 13 trivial. 33 not checked. [2022-11-25 18:39:32,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:40:17,395 WARN L233 SmtUtils]: Spent 25.15s on a formula simplification that was a NOOP. DAG size: 283 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:40:22,872 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 223 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:40:37,122 WARN L233 SmtUtils]: Spent 14.25s on a formula simplification that was a NOOP. DAG size: 243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:40:59,460 WARN L233 SmtUtils]: Spent 22.34s on a formula simplification that was a NOOP. DAG size: 233 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:41:26,295 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd c_aws_array_list_length_~list.offset (_ bv15 64))) (.cse3 (bvadd (_ bv14 64) c_aws_array_list_length_~list.offset)) (.cse4 (bvadd c_aws_array_list_length_~list.offset (_ bv13 64))) (.cse5 (bvadd c_aws_array_list_length_~list.offset (_ bv12 64))) (.cse6 (bvadd c_aws_array_list_length_~list.offset (_ bv11 64))) (.cse7 (bvadd (_ bv10 64) c_aws_array_list_length_~list.offset)) (.cse8 (bvadd (_ bv9 64) c_aws_array_list_length_~list.offset)) (.cse9 (bvadd (_ bv8 64) c_aws_array_list_length_~list.offset)) (.cse18 (bvadd (_ bv31 64) c_aws_array_list_length_~list.offset)) (.cse19 (bvadd c_aws_array_list_length_~list.offset (_ bv30 64))) (.cse20 (bvadd (_ bv29 64) c_aws_array_list_length_~list.offset)) (.cse21 (bvadd (_ bv28 64) c_aws_array_list_length_~list.offset)) (.cse22 (bvadd (_ bv27 64) c_aws_array_list_length_~list.offset)) (.cse23 (bvadd (_ bv26 64) c_aws_array_list_length_~list.offset)) (.cse24 (bvadd (_ bv25 64) c_aws_array_list_length_~list.offset)) (.cse25 (bvadd (_ bv24 64) c_aws_array_list_length_~list.offset)) (.cse27 (let ((.cse58 (select |c_#memory_int| c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv23 64))) (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv22 64)))) (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv21 64)))) (select .cse58 (bvadd (_ bv20 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd (_ bv19 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd (_ bv18 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd (_ bv17 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv16 64)))))) (.cse0 (bvadd (_ bv32 64) c_aws_array_list_length_~list.offset))) (and (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64))) (or (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse26 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (let ((.cse17 ((_ extract 7 0) .cse26)) (.cse16 ((_ extract 15 8) .cse26)) (.cse15 ((_ extract 23 16) .cse26)) (.cse14 ((_ extract 31 24) .cse26)) (.cse13 ((_ extract 39 32) .cse26)) (.cse12 ((_ extract 47 40) .cse26)) (.cse11 ((_ extract 55 48) .cse26)) (.cse10 ((_ extract 63 56) .cse26))) (let ((.cse1 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) .cse17) (_ bv1 64) .cse16) (_ bv2 64) .cse15) (_ bv3 64) .cse14) (_ bv4 64) .cse13) (_ bv5 64) .cse12) (_ bv6 64) .cse11) (_ bv7 64) .cse10)) c_aws_array_list_length_~list.base))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse1 .cse2) (select .cse1 .cse3)) (select .cse1 .cse4)) (select .cse1 .cse5)) (select .cse1 .cse6)) (select .cse1 .cse7)) (select .cse1 .cse8)) (select .cse1 .cse9)) (concat (concat (concat (concat (concat (concat (concat .cse10 .cse11) .cse12) .cse13) .cse14) .cse15) .cse16) .cse17)) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse1 .cse18) (select .cse1 .cse19)) (select .cse1 .cse20)) (select .cse1 .cse21)) (select .cse1 .cse22)) (select .cse1 .cse23)) (select .cse1 .cse24)) (select .cse1 .cse25)))))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64))) (or (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse28 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse29 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse29)) (_ bv1 64) ((_ extract 15 8) .cse29)) (_ bv2 64) ((_ extract 23 16) .cse29)) (_ bv3 64) ((_ extract 31 24) .cse29)) (_ bv4 64) ((_ extract 39 32) .cse29)) (_ bv5 64) ((_ extract 47 40) .cse29)) (_ bv6 64) ((_ extract 55 48) .cse29)) (_ bv7 64) ((_ extract 63 56) .cse29)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse28 .cse18) (select .cse28 .cse19)) (select .cse28 .cse20)) (select .cse28 .cse21)) (select .cse28 .cse22)) (select .cse28 .cse23)) (select .cse28 .cse24)) (select .cse28 .cse25))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse39 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (let ((.cse38 ((_ extract 7 0) .cse39)) (.cse37 ((_ extract 15 8) .cse39)) (.cse36 ((_ extract 23 16) .cse39)) (.cse35 ((_ extract 31 24) .cse39)) (.cse34 ((_ extract 39 32) .cse39)) (.cse33 ((_ extract 47 40) .cse39)) (.cse32 ((_ extract 55 48) .cse39)) (.cse31 ((_ extract 63 56) .cse39))) (let ((.cse30 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) .cse38) (_ bv1 64) .cse37) (_ bv2 64) .cse36) (_ bv3 64) .cse35) (_ bv4 64) .cse34) (_ bv5 64) .cse33) (_ bv6 64) .cse32) (_ bv7 64) .cse31)) c_aws_array_list_length_~list.base))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse30 .cse2) (select .cse30 .cse3)) (select .cse30 .cse4)) (select .cse30 .cse5)) (select .cse30 .cse6)) (select .cse30 .cse7)) (select .cse30 .cse8)) (select .cse30 .cse9)) (concat (concat (concat (concat (concat (concat (concat .cse31 .cse32) .cse33) .cse34) .cse35) .cse36) .cse37) .cse38)) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse30 .cse18) (select .cse30 .cse19)) (select .cse30 .cse20)) (select .cse30 .cse21)) (select .cse30 .cse22)) (select .cse30 .cse23)) (select .cse30 .cse24)) (select .cse30 .cse25)))))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse40 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse41 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse41)) (_ bv1 64) ((_ extract 15 8) .cse41)) (_ bv2 64) ((_ extract 23 16) .cse41)) (_ bv3 64) ((_ extract 31 24) .cse41)) (_ bv4 64) ((_ extract 39 32) .cse41)) (_ bv5 64) ((_ extract 47 40) .cse41)) (_ bv6 64) ((_ extract 55 48) .cse41)) (_ bv7 64) ((_ extract 63 56) .cse41)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse40 .cse18) (select .cse40 .cse19)) (select .cse40 .cse20)) (select .cse40 .cse21)) (select .cse40 .cse22)) (select .cse40 .cse23)) (select .cse40 .cse24)) (select .cse40 .cse25)))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64))) (or (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse42 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse43 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse43)) (_ bv1 64) ((_ extract 15 8) .cse43)) (_ bv2 64) ((_ extract 23 16) .cse43)) (_ bv3 64) ((_ extract 31 24) .cse43)) (_ bv4 64) ((_ extract 39 32) .cse43)) (_ bv5 64) ((_ extract 47 40) .cse43)) (_ bv6 64) ((_ extract 55 48) .cse43)) (_ bv7 64) ((_ extract 63 56) .cse43)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse42 .cse18) (select .cse42 .cse19)) (select .cse42 .cse20)) (select .cse42 .cse21)) (select .cse42 .cse22)) (select .cse42 .cse23)) (select .cse42 .cse24)) (select .cse42 .cse25)))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse53 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (let ((.cse52 ((_ extract 7 0) .cse53)) (.cse51 ((_ extract 15 8) .cse53)) (.cse50 ((_ extract 23 16) .cse53)) (.cse49 ((_ extract 31 24) .cse53)) (.cse48 ((_ extract 39 32) .cse53)) (.cse47 ((_ extract 47 40) .cse53)) (.cse46 ((_ extract 55 48) .cse53)) (.cse45 ((_ extract 63 56) .cse53))) (let ((.cse44 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) .cse52) (_ bv1 64) .cse51) (_ bv2 64) .cse50) (_ bv3 64) .cse49) (_ bv4 64) .cse48) (_ bv5 64) .cse47) (_ bv6 64) .cse46) (_ bv7 64) .cse45)) c_aws_array_list_length_~list.base))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse44 .cse2) (select .cse44 .cse3)) (select .cse44 .cse4)) (select .cse44 .cse5)) (select .cse44 .cse6)) (select .cse44 .cse7)) (select .cse44 .cse8)) (select .cse44 .cse9)) (concat (concat (concat (concat (concat (concat (concat .cse45 .cse46) .cse47) .cse48) .cse49) .cse50) .cse51) .cse52)) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse44 .cse18) (select .cse44 .cse19)) (select .cse44 .cse20)) (select .cse44 .cse21)) (select .cse44 .cse22)) (select .cse44 .cse23)) (select .cse44 .cse24)) (select .cse44 .cse25)))))))) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse54 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse55 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse55)) (_ bv1 64) ((_ extract 15 8) .cse55)) (_ bv2 64) ((_ extract 23 16) .cse55)) (_ bv3 64) ((_ extract 31 24) .cse55)) (_ bv4 64) ((_ extract 39 32) .cse55)) (_ bv5 64) ((_ extract 47 40) .cse55)) (_ bv6 64) ((_ extract 55 48) .cse55)) (_ bv7 64) ((_ extract 63 56) .cse55)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse54 .cse18) (select .cse54 .cse19)) (select .cse54 .cse20)) (select .cse54 .cse21)) (select .cse54 .cse22)) (select .cse54 .cse23)) (select .cse54 .cse24)) (select .cse54 .cse25)))))) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse56 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse57 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse57)) (_ bv1 64) ((_ extract 15 8) .cse57)) (_ bv2 64) ((_ extract 23 16) .cse57)) (_ bv3 64) ((_ extract 31 24) .cse57)) (_ bv4 64) ((_ extract 39 32) .cse57)) (_ bv5 64) ((_ extract 47 40) .cse57)) (_ bv6 64) ((_ extract 55 48) .cse57)) (_ bv7 64) ((_ extract 63 56) .cse57)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse56 .cse18) (select .cse56 .cse19)) (select .cse56 .cse20)) (select .cse56 .cse21)) (select .cse56 .cse22)) (select .cse56 .cse23)) (select .cse56 .cse24)) (select .cse56 .cse25))))) (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64)) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))))) is different from false [2022-11-25 18:41:28,379 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd c_aws_array_list_length_~list.offset (_ bv15 64))) (.cse3 (bvadd (_ bv14 64) c_aws_array_list_length_~list.offset)) (.cse4 (bvadd c_aws_array_list_length_~list.offset (_ bv13 64))) (.cse5 (bvadd c_aws_array_list_length_~list.offset (_ bv12 64))) (.cse6 (bvadd c_aws_array_list_length_~list.offset (_ bv11 64))) (.cse7 (bvadd (_ bv10 64) c_aws_array_list_length_~list.offset)) (.cse8 (bvadd (_ bv9 64) c_aws_array_list_length_~list.offset)) (.cse9 (bvadd (_ bv8 64) c_aws_array_list_length_~list.offset)) (.cse18 (bvadd (_ bv31 64) c_aws_array_list_length_~list.offset)) (.cse19 (bvadd c_aws_array_list_length_~list.offset (_ bv30 64))) (.cse20 (bvadd (_ bv29 64) c_aws_array_list_length_~list.offset)) (.cse21 (bvadd (_ bv28 64) c_aws_array_list_length_~list.offset)) (.cse22 (bvadd (_ bv27 64) c_aws_array_list_length_~list.offset)) (.cse23 (bvadd (_ bv26 64) c_aws_array_list_length_~list.offset)) (.cse24 (bvadd (_ bv25 64) c_aws_array_list_length_~list.offset)) (.cse25 (bvadd (_ bv24 64) c_aws_array_list_length_~list.offset)) (.cse27 (let ((.cse58 (select |c_#memory_int| c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv23 64))) (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv22 64)))) (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv21 64)))) (select .cse58 (bvadd (_ bv20 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd (_ bv19 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd (_ bv18 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd (_ bv17 64) c_aws_array_list_length_~list.offset))) (select .cse58 (bvadd c_aws_array_list_length_~list.offset (_ bv16 64)))))) (.cse0 (bvadd (_ bv32 64) c_aws_array_list_length_~list.offset))) (and (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64))) (or (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse26 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (let ((.cse17 ((_ extract 7 0) .cse26)) (.cse16 ((_ extract 15 8) .cse26)) (.cse15 ((_ extract 23 16) .cse26)) (.cse14 ((_ extract 31 24) .cse26)) (.cse13 ((_ extract 39 32) .cse26)) (.cse12 ((_ extract 47 40) .cse26)) (.cse11 ((_ extract 55 48) .cse26)) (.cse10 ((_ extract 63 56) .cse26))) (let ((.cse1 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) .cse17) (_ bv1 64) .cse16) (_ bv2 64) .cse15) (_ bv3 64) .cse14) (_ bv4 64) .cse13) (_ bv5 64) .cse12) (_ bv6 64) .cse11) (_ bv7 64) .cse10)) c_aws_array_list_length_~list.base))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse1 .cse2) (select .cse1 .cse3)) (select .cse1 .cse4)) (select .cse1 .cse5)) (select .cse1 .cse6)) (select .cse1 .cse7)) (select .cse1 .cse8)) (select .cse1 .cse9)) (concat (concat (concat (concat (concat (concat (concat .cse10 .cse11) .cse12) .cse13) .cse14) .cse15) .cse16) .cse17)) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse1 .cse18) (select .cse1 .cse19)) (select .cse1 .cse20)) (select .cse1 .cse21)) (select .cse1 .cse22)) (select .cse1 .cse23)) (select .cse1 .cse24)) (select .cse1 .cse25)))))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64))) (or (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse28 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse29 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse29)) (_ bv1 64) ((_ extract 15 8) .cse29)) (_ bv2 64) ((_ extract 23 16) .cse29)) (_ bv3 64) ((_ extract 31 24) .cse29)) (_ bv4 64) ((_ extract 39 32) .cse29)) (_ bv5 64) ((_ extract 47 40) .cse29)) (_ bv6 64) ((_ extract 55 48) .cse29)) (_ bv7 64) ((_ extract 63 56) .cse29)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse28 .cse18) (select .cse28 .cse19)) (select .cse28 .cse20)) (select .cse28 .cse21)) (select .cse28 .cse22)) (select .cse28 .cse23)) (select .cse28 .cse24)) (select .cse28 .cse25))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse39 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (let ((.cse38 ((_ extract 7 0) .cse39)) (.cse37 ((_ extract 15 8) .cse39)) (.cse36 ((_ extract 23 16) .cse39)) (.cse35 ((_ extract 31 24) .cse39)) (.cse34 ((_ extract 39 32) .cse39)) (.cse33 ((_ extract 47 40) .cse39)) (.cse32 ((_ extract 55 48) .cse39)) (.cse31 ((_ extract 63 56) .cse39))) (let ((.cse30 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) .cse38) (_ bv1 64) .cse37) (_ bv2 64) .cse36) (_ bv3 64) .cse35) (_ bv4 64) .cse34) (_ bv5 64) .cse33) (_ bv6 64) .cse32) (_ bv7 64) .cse31)) c_aws_array_list_length_~list.base))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse30 .cse2) (select .cse30 .cse3)) (select .cse30 .cse4)) (select .cse30 .cse5)) (select .cse30 .cse6)) (select .cse30 .cse7)) (select .cse30 .cse8)) (select .cse30 .cse9)) (concat (concat (concat (concat (concat (concat (concat .cse31 .cse32) .cse33) .cse34) .cse35) .cse36) .cse37) .cse38)) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse30 .cse18) (select .cse30 .cse19)) (select .cse30 .cse20)) (select .cse30 .cse21)) (select .cse30 .cse22)) (select .cse30 .cse23)) (select .cse30 .cse24)) (select .cse30 .cse25)))))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse40 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse41 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse41)) (_ bv1 64) ((_ extract 15 8) .cse41)) (_ bv2 64) ((_ extract 23 16) .cse41)) (_ bv3 64) ((_ extract 31 24) .cse41)) (_ bv4 64) ((_ extract 39 32) .cse41)) (_ bv5 64) ((_ extract 47 40) .cse41)) (_ bv6 64) ((_ extract 55 48) .cse41)) (_ bv7 64) ((_ extract 63 56) .cse41)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse40 .cse18) (select .cse40 .cse19)) (select .cse40 .cse20)) (select .cse40 .cse21)) (select .cse40 .cse22)) (select .cse40 .cse23)) (select .cse40 .cse24)) (select .cse40 .cse25)))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64))) (or (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0)) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse42 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse43 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse43)) (_ bv1 64) ((_ extract 15 8) .cse43)) (_ bv2 64) ((_ extract 23 16) .cse43)) (_ bv3 64) ((_ extract 31 24) .cse43)) (_ bv4 64) ((_ extract 39 32) .cse43)) (_ bv5 64) ((_ extract 47 40) .cse43)) (_ bv6 64) ((_ extract 55 48) .cse43)) (_ bv7 64) ((_ extract 63 56) .cse43)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse42 .cse18) (select .cse42 .cse19)) (select .cse42 .cse20)) (select .cse42 .cse21)) (select .cse42 .cse22)) (select .cse42 .cse23)) (select .cse42 .cse24)) (select .cse42 .cse25)))))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse53 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (let ((.cse52 ((_ extract 7 0) .cse53)) (.cse51 ((_ extract 15 8) .cse53)) (.cse50 ((_ extract 23 16) .cse53)) (.cse49 ((_ extract 31 24) .cse53)) (.cse48 ((_ extract 39 32) .cse53)) (.cse47 ((_ extract 47 40) .cse53)) (.cse46 ((_ extract 55 48) .cse53)) (.cse45 ((_ extract 63 56) .cse53))) (let ((.cse44 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) .cse52) (_ bv1 64) .cse51) (_ bv2 64) .cse50) (_ bv3 64) .cse49) (_ bv4 64) .cse48) (_ bv5 64) .cse47) (_ bv6 64) .cse46) (_ bv7 64) .cse45)) c_aws_array_list_length_~list.base))) (or (bvuge (concat (concat (concat (concat (concat (concat (concat (select .cse44 .cse2) (select .cse44 .cse3)) (select .cse44 .cse4)) (select .cse44 .cse5)) (select .cse44 .cse6)) (select .cse44 .cse7)) (select .cse44 .cse8)) (select .cse44 .cse9)) (concat (concat (concat (concat (concat (concat (concat .cse45 .cse46) .cse47) .cse48) .cse49) .cse50) .cse51) .cse52)) (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse44 .cse18) (select .cse44 .cse19)) (select .cse44 .cse20)) (select .cse44 .cse21)) (select .cse44 .cse22)) (select .cse44 .cse23)) (select .cse44 .cse24)) (select .cse44 .cse25)))))))) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((v_ArrVal_342 (Array (_ BitVec 64) (_ BitVec 64))) (|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse54 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse55 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse55)) (_ bv1 64) ((_ extract 15 8) .cse55)) (_ bv2 64) ((_ extract 23 16) .cse55)) (_ bv3 64) ((_ extract 31 24) .cse55)) (_ bv4 64) ((_ extract 39 32) .cse55)) (_ bv5 64) ((_ extract 47 40) .cse55)) (_ bv6 64) ((_ extract 55 48) .cse55)) (_ bv7 64) ((_ extract 63 56) .cse55)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse54 .cse18) (select .cse54 .cse19)) (select .cse54 .cse20)) (select .cse54 .cse21)) (select .cse54 .cse22)) (select .cse54 .cse23)) (select .cse54 .cse24)) (select .cse54 .cse25)))))) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.offset| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_342) c_aws_array_list_length_~list.base) .cse0))) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_14| (_ BitVec 64)) (v_ArrVal_341 (Array (_ BitVec 64) (_ BitVec 64)))) (or (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse56 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14| (let ((.cse57 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse27))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_14|) (_ bv0 64) ((_ extract 7 0) .cse57)) (_ bv1 64) ((_ extract 15 8) .cse57)) (_ bv2 64) ((_ extract 23 16) .cse57)) (_ bv3 64) ((_ extract 31 24) .cse57)) (_ bv4 64) ((_ extract 39 32) .cse57)) (_ bv5 64) ((_ extract 47 40) .cse57)) (_ bv6 64) ((_ extract 55 48) .cse57)) (_ bv7 64) ((_ extract 63 56) .cse57)))) c_aws_array_list_length_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse56 .cse18) (select .cse56 .cse19)) (select .cse56 .cse20)) (select .cse56 .cse21)) (select .cse56 .cse22)) (select .cse56 .cse23)) (select .cse56 .cse24)) (select .cse56 .cse25))))) (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_14| v_ArrVal_341) c_aws_array_list_length_~list.base) .cse0) (_ bv0 64)) (not (= (_ bv0 1) (select |c_#valid| |v_aws_array_list_is_valid_~#required_size~0.base_14|))))))) is different from true [2022-11-25 18:41:28,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:41:28,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475955346] [2022-11-25 18:41:28,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475955346] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:41:28,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1796917589] [2022-11-25 18:41:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:41:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-25 18:41:28,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/cvc4 [2022-11-25 18:41:28,386 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-25 18:41:28,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27063b00-9abc-40a9-94ca-029e0705a38b/bin/uautomizer-ZsLfNo2U6R/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process