./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 --- 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-6b4ec56 [2022-11-20 11:45:42,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:45:42,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:45:42,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:45:42,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:45:42,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:45:42,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:45:42,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:45:42,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:45:42,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:45:42,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:45:42,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:45:42,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:45:42,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:45:42,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:45:42,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:45:42,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:45:42,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:45:42,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:45:42,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:45:42,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:45:42,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:45:42,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:45:42,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:45:42,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:45:42,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:45:42,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:45:42,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:45:42,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:45:42,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:45:42,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:45:42,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:45:42,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:45:42,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:45:42,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:45:42,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:45:42,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:45:42,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:45:42,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:45:42,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:45:42,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:45:42,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:45:42,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:45:42,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:45:42,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:45:42,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:45:42,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:45:42,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:45:42,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:45:42,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:45:42,819 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:45:42,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:45:42,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:45:42,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:45:42,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:45:42,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:45:42,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:45:42,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:45:42,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:45:42,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:45:42,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:45:42,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:45:42,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:45:42,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:42,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:45:42,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:45:42,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:45:42,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:45:42,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:45:42,825 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:45:42,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:45:42,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:45:42,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 [2022-11-20 11:45:43,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:45:43,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:45:43,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:45:43,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:45:43,216 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:45:43,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2022-11-20 11:45:46,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:45:47,297 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:45:47,298 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2022-11-20 11:45:47,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/data/7807fce9f/ff986617208c4d18aee89ac6db99e80e/FLAGcc5e72601 [2022-11-20 11:45:47,372 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/data/7807fce9f/ff986617208c4d18aee89ac6db99e80e [2022-11-20 11:45:47,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:45:47,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:45:47,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:47,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:45:47,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:45:47,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:47" (1/1) ... [2022-11-20 11:45:47,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3db57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:47, skipping insertion in model container [2022-11-20 11:45:47,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:47" (1/1) ... [2022-11-20 11:45:47,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:45:47,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:45:47,934 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_0908084d-7ea1-411a-bccc-2f41cfebceca/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2022-11-20 11:45:47,944 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_0908084d-7ea1-411a-bccc-2f41cfebceca/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2022-11-20 11:45:48,955 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:48,960 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:48,965 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:48,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:48,971 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,004 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,011 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,014 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,025 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,602 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 11:45:49,604 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 11:45:49,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 11:45:49,607 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 11:45:49,609 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 11:45:49,610 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 11:45:49,611 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 11:45:49,612 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 11:45:49,613 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 11:45:49,614 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 11:45:49,805 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 11:45:49,935 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,936 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:49,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:45:50,024 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:45:50,041 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_0908084d-7ea1-411a-bccc-2f41cfebceca/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2022-11-20 11:45:50,042 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_0908084d-7ea1-411a-bccc-2f41cfebceca/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2022-11-20 11:45:50,085 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,085 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,086 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,086 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,087 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,095 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,095 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,097 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,097 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,138 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 11:45:50,139 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 11:45:50,140 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 11:45:50,142 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 11:45:50,143 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 11:45:50,144 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 11:45:50,144 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 11:45:50,145 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 11:45:50,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 11:45:50,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 11:45:50,173 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 11:45:50,269 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,273 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 11:45:50,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:45:50,674 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:45:50,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50 WrapperNode [2022-11-20 11:45:50,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:50,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:45:50,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:45:50,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:45:50,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,878 INFO L138 Inliner]: procedures = 681, calls = 2271, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 390 [2022-11-20 11:45:50,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:45:50,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:45:50,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:45:50,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:45:50,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:45:50,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:45:50,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:45:50,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:45:50,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (1/1) ... [2022-11-20 11:45:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:45:51,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:45:51,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:45:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2022-11-20 11:45:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2022-11-20 11:45:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-20 11:45:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-20 11:45:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-20 11:45:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-20 11:45:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 11:45:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 11:45:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:45:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 11:45:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 11:45:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:45:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:45:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:45:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:45:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:45:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 11:45:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 11:45:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:45:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:45:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:45:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 11:45:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 11:45:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-20 11:45:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-20 11:45:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:45:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:45:51,530 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:45:51,534 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:45:52,080 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:45:52,090 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:45:52,090 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:45:52,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:52 BoogieIcfgContainer [2022-11-20 11:45:52,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:45:52,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:45:52,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:45:52,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:45:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:45:47" (1/3) ... [2022-11-20 11:45:52,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1424e736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:45:52, skipping insertion in model container [2022-11-20 11:45:52,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:50" (2/3) ... [2022-11-20 11:45:52,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1424e736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:45:52, skipping insertion in model container [2022-11-20 11:45:52,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:52" (3/3) ... [2022-11-20 11:45:52,105 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_c_str_harness.i [2022-11-20 11:45:52,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:45:52,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:45:52,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:45:52,203 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;@2d0f4dca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:45:52,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:45:52,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-20 11:45:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 11:45:52,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:52,226 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 11:45:52,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:52,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:52,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1676862830, now seen corresponding path program 1 times [2022-11-20 11:45:52,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:52,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951633624] [2022-11-20 11:45:52,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:45:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:45:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 11:45:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:45:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:45:52,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:45:52,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951633624] [2022-11-20 11:45:52,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951633624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:52,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:52,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:45:52,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309577844] [2022-11-20 11:45:52,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:52,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:45:52,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:45:52,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:45:52,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:45:52,957 INFO L87 Difference]: Start difference. First operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:45:53,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:53,000 INFO L93 Difference]: Finished difference Result 205 states and 281 transitions. [2022-11-20 11:45:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:45:53,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-11-20 11:45:53,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:53,014 INFO L225 Difference]: With dead ends: 205 [2022-11-20 11:45:53,015 INFO L226 Difference]: Without dead ends: 101 [2022-11-20 11:45:53,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:45:53,023 INFO L413 NwaCegarLoop]: 136 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, 136 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 [2022-11-20 11:45:53,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:45:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-20 11:45:53,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-20 11:45:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-20 11:45:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 128 transitions. [2022-11-20 11:45:53,120 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 128 transitions. Word has length 36 [2022-11-20 11:45:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:53,123 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 128 transitions. [2022-11-20 11:45:53,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:45:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 128 transitions. [2022-11-20 11:45:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 11:45:53,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:53,131 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 11:45:53,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:45:53,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:53,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash -12080912, now seen corresponding path program 1 times [2022-11-20 11:45:53,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:53,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717068222] [2022-11-20 11:45:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:53,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:45:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:45:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 11:45:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:45:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:45:53,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:45:53,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717068222] [2022-11-20 11:45:53,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717068222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:53,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:53,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:45:53,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447999850] [2022-11-20 11:45:53,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:53,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:45:53,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:45:53,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:45:53,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:45:53,738 INFO L87 Difference]: Start difference. First operand 101 states and 128 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 11:45:53,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:53,819 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2022-11-20 11:45:53,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:45:53,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2022-11-20 11:45:53,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:53,823 INFO L225 Difference]: With dead ends: 148 [2022-11-20 11:45:53,823 INFO L226 Difference]: Without dead ends: 101 [2022-11-20 11:45:53,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:45:53,826 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 6 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:53,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 380 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:45:53,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-20 11:45:53,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-20 11:45:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 66 states have internal predecessors, (76), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-20 11:45:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 127 transitions. [2022-11-20 11:45:53,843 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 127 transitions. Word has length 36 [2022-11-20 11:45:53,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:53,843 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 127 transitions. [2022-11-20 11:45:53,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 11:45:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2022-11-20 11:45:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 11:45:53,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:53,847 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 11:45:53,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:45:53,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2108660913, now seen corresponding path program 1 times [2022-11-20 11:45:53,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:53,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504986059] [2022-11-20 11:45:53,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:53,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:45:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:45:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:45:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:45:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:45:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:45:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 11:45:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:45:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 11:45:54,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:45:54,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504986059] [2022-11-20 11:45:54,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504986059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:54,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:54,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:45:54,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67383682] [2022-11-20 11:45:54,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:54,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:45:54,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:45:54,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:45:54,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:45:54,639 INFO L87 Difference]: Start difference. First operand 101 states and 127 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-20 11:45:55,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:55,273 INFO L93 Difference]: Finished difference Result 138 states and 169 transitions. [2022-11-20 11:45:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:45:55,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 64 [2022-11-20 11:45:55,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:55,276 INFO L225 Difference]: With dead ends: 138 [2022-11-20 11:45:55,276 INFO L226 Difference]: Without dead ends: 101 [2022-11-20 11:45:55,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:45:55,278 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 93 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:55,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 419 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:45:55,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-20 11:45:55,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-20 11:45:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 66 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-20 11:45:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2022-11-20 11:45:55,295 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 64 [2022-11-20 11:45:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:55,295 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2022-11-20 11:45:55,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-20 11:45:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2022-11-20 11:45:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 11:45:55,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:55,298 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 11:45:55,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:45:55,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:55,299 INFO L85 PathProgramCache]: Analyzing trace with hash -63104247, now seen corresponding path program 1 times [2022-11-20 11:45:55,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:55,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283667107] [2022-11-20 11:45:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:55,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:45:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:45:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:45:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:45:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:45:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:45:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 11:45:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:45:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 11:45:55,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:45:55,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283667107] [2022-11-20 11:45:55,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283667107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:55,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:55,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:45:55,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038907791] [2022-11-20 11:45:55,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:55,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:45:55,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:45:55,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:45:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:45:55,906 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:45:56,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:56,297 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2022-11-20 11:45:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:45:56,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2022-11-20 11:45:56,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:56,305 INFO L225 Difference]: With dead ends: 159 [2022-11-20 11:45:56,307 INFO L226 Difference]: Without dead ends: 101 [2022-11-20 11:45:56,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:45:56,312 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 43 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:56,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 253 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:45:56,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-20 11:45:56,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-20 11:45:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 66 states have internal predecessors, (74), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-20 11:45:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2022-11-20 11:45:56,335 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 65 [2022-11-20 11:45:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:56,336 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2022-11-20 11:45:56,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:45:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2022-11-20 11:45:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-20 11:45:56,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:56,346 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:56,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:45:56,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:56,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1726009102, now seen corresponding path program 1 times [2022-11-20 11:45:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:56,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106814712] [2022-11-20 11:45:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:56,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:45:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 11:45:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:45:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 11:45:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:45:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 11:45:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:45:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:45:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-20 11:45:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:45:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:45:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 11:45:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-20 11:45:58,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:45:58,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106814712] [2022-11-20 11:45:58,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106814712] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:45:58,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559381540] [2022-11-20 11:45:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:58,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:45:58,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:45:58,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:45:58,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:45:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:59,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 11:45:59,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 11:45:59,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:45:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 11:45:59,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559381540] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:45:59,566 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:45:59,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 27 [2022-11-20 11:45:59,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056380619] [2022-11-20 11:45:59,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:45:59,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-20 11:45:59,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:45:59,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-20 11:45:59,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2022-11-20 11:45:59,569 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2022-11-20 11:46:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:46:00,612 INFO L93 Difference]: Finished difference Result 116 states and 137 transitions. [2022-11-20 11:46:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 11:46:00,614 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) Word has length 99 [2022-11-20 11:46:00,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:46:00,614 INFO L225 Difference]: With dead ends: 116 [2022-11-20 11:46:00,614 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:46:00,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 11:46:00,616 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 62 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:46:00,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 306 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:46:00,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:46:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:46:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:46:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:46:00,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2022-11-20 11:46:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:46:00,618 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:46:00,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2022-11-20 11:46:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:46:00,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:46:00,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:46:00,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 11:46:00,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:46:00,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:46:01,178 INFO L895 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-20 11:46:01,178 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2022-11-20 11:46:01,179 INFO L899 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2022-11-20 11:46:01,179 INFO L895 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-20 11:46:01,179 INFO L899 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2022-11-20 11:46:01,179 INFO L899 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2022-11-20 11:46:01,179 INFO L895 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (let ((.cse0 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (= |old(#length)| |#length|) (or (<= |ensure_string_is_allocated_bounded_length_~len~1#1| (+ (* 18446744073709551616 (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616)) 15)) .cse0) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or .cse0 (<= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (+ 15 (* (div |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616)))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-20 11:46:01,179 INFO L899 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2022-11-20 11:46:01,180 INFO L895 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2022-11-20 11:46:01,180 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-20 11:46:01,180 INFO L899 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2022-11-20 11:46:01,180 INFO L895 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-20 11:46:01,181 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-11-20 11:46:01,181 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-11-20 11:46:01,181 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2022-11-20 11:46:01,181 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 11:46:01,181 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2022-11-20 11:46:01,181 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2022-11-20 11:46:01,181 INFO L899 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2022-11-20 11:46:01,182 INFO L895 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 11:46:01,182 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-20 11:46:01,182 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-20 11:46:01,182 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-20 11:46:01,182 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-20 11:46:01,182 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-20 11:46:01,182 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-20 11:46:01,182 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-20 11:46:01,183 INFO L899 garLoopResultBuilder]: For program point L8097(lines 8097 8101) no Hoare annotation was computed. [2022-11-20 11:46:01,183 INFO L899 garLoopResultBuilder]: For program point L8095-4(lines 8095 8108) no Hoare annotation was computed. [2022-11-20 11:46:01,183 INFO L902 garLoopResultBuilder]: At program point L8095-3(lines 8095 8108) the Hoare annotation is: true [2022-11-20 11:46:01,183 INFO L899 garLoopResultBuilder]: For program point L8095-2(lines 8095 8108) no Hoare annotation was computed. [2022-11-20 11:46:01,183 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_strFINAL(lines 8078 8111) no Hoare annotation was computed. [2022-11-20 11:46:01,183 INFO L899 garLoopResultBuilder]: For program point L8083(lines 8083 8085) no Hoare annotation was computed. [2022-11-20 11:46:01,183 INFO L902 garLoopResultBuilder]: At program point L8080-1(line 8080) the Hoare annotation is: true [2022-11-20 11:46:01,183 INFO L902 garLoopResultBuilder]: At program point L8080(line 8080) the Hoare annotation is: true [2022-11-20 11:46:01,184 INFO L902 garLoopResultBuilder]: At program point aws_array_eq_c_strENTRY(lines 8078 8111) the Hoare annotation is: true [2022-11-20 11:46:01,184 INFO L899 garLoopResultBuilder]: For program point L8103(lines 8103 8107) no Hoare annotation was computed. [2022-11-20 11:46:01,184 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_strEXIT(lines 8078 8111) no Hoare annotation was computed. [2022-11-20 11:46:01,184 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2022-11-20 11:46:01,184 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2022-11-20 11:46:01,184 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2022-11-20 11:46:01,184 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2022-11-20 11:46:01,184 INFO L899 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-20 11:46:01,185 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-20 11:46:01,185 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-20 11:46:01,186 INFO L902 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2022-11-20 11:46:01,186 INFO L899 garLoopResultBuilder]: For program point L7579(line 7579) no Hoare annotation was computed. [2022-11-20 11:46:01,186 INFO L899 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2022-11-20 11:46:01,186 INFO L899 garLoopResultBuilder]: For program point L7579-5(line 7579) no Hoare annotation was computed. [2022-11-20 11:46:01,186 INFO L895 garLoopResultBuilder]: At program point L7579-4(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-20 11:46:01,186 INFO L899 garLoopResultBuilder]: For program point L7579-3(line 7579) no Hoare annotation was computed. [2022-11-20 11:46:01,186 INFO L895 garLoopResultBuilder]: At program point L7579-2(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-20 11:46:01,187 INFO L895 garLoopResultBuilder]: At program point L8921(line 8921) the Hoare annotation is: false [2022-11-20 11:46:01,187 INFO L899 garLoopResultBuilder]: For program point L8921-1(line 8921) no Hoare annotation was computed. [2022-11-20 11:46:01,187 INFO L899 garLoopResultBuilder]: For program point L6820-1(line 6820) no Hoare annotation was computed. [2022-11-20 11:46:01,187 INFO L895 garLoopResultBuilder]: At program point L6820(line 6820) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-20 11:46:01,187 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:46:01,187 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:46:01,187 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:46:01,187 INFO L899 garLoopResultBuilder]: For program point L7580(lines 7580 7588) no Hoare annotation was computed. [2022-11-20 11:46:01,188 INFO L899 garLoopResultBuilder]: For program point L7101-1(lines 7100 7113) no Hoare annotation was computed. [2022-11-20 11:46:01,188 INFO L895 garLoopResultBuilder]: At program point L7101(line 7101) the Hoare annotation is: false [2022-11-20 11:46:01,188 INFO L899 garLoopResultBuilder]: For program point L8918(lines 8918 8923) no Hoare annotation was computed. [2022-11-20 11:46:01,190 INFO L895 garLoopResultBuilder]: At program point L6821-1(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-20 11:46:01,190 INFO L895 garLoopResultBuilder]: At program point L6821(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-20 11:46:01,190 INFO L899 garLoopResultBuilder]: For program point L7589(lines 7589 7597) no Hoare annotation was computed. [2022-11-20 11:46:01,191 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:46:01,191 INFO L895 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2022-11-20 11:46:01,191 INFO L899 garLoopResultBuilder]: For program point L8919-2(line 8919) no Hoare annotation was computed. [2022-11-20 11:46:01,191 INFO L895 garLoopResultBuilder]: At program point L8915(line 8915) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-20 11:46:01,191 INFO L899 garLoopResultBuilder]: For program point L8915-1(lines 8915 8916) no Hoare annotation was computed. [2022-11-20 11:46:01,192 INFO L895 garLoopResultBuilder]: At program point L8919(line 8919) the Hoare annotation is: false [2022-11-20 11:46:01,192 INFO L895 garLoopResultBuilder]: At program point L8919-1(line 8919) the Hoare annotation is: false [2022-11-20 11:46:01,192 INFO L895 garLoopResultBuilder]: At program point L7598(line 7598) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-20 11:46:01,192 INFO L895 garLoopResultBuilder]: At program point L6826(line 6826) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2022-11-20 11:46:01,192 INFO L899 garLoopResultBuilder]: For program point L8915-3(lines 8915 8916) no Hoare annotation was computed. [2022-11-20 11:46:01,193 INFO L895 garLoopResultBuilder]: At program point L7598-2(lines 7577 7599) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2022-11-20 11:46:01,193 INFO L899 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2022-11-20 11:46:01,193 INFO L899 garLoopResultBuilder]: For program point L7598-1(line 7598) no Hoare annotation was computed. [2022-11-20 11:46:01,193 INFO L899 garLoopResultBuilder]: For program point L6822(line 6822) no Hoare annotation was computed. [2022-11-20 11:46:01,193 INFO L899 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2022-11-20 11:46:01,194 INFO L895 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: false [2022-11-20 11:46:01,194 INFO L899 garLoopResultBuilder]: For program point L6826-1(line 6826) no Hoare annotation was computed. [2022-11-20 11:46:01,194 INFO L899 garLoopResultBuilder]: For program point L7107-1(line 7107) no Hoare annotation was computed. [2022-11-20 11:46:01,194 INFO L895 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: false [2022-11-20 11:46:01,194 INFO L895 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2022-11-20 11:46:01,194 INFO L899 garLoopResultBuilder]: For program point L8920-1(line 8920) no Hoare annotation was computed. [2022-11-20 11:46:01,195 INFO L899 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2022-11-20 11:46:01,195 INFO L899 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2022-11-20 11:46:01,195 INFO L902 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2022-11-20 11:46:01,195 INFO L895 garLoopResultBuilder]: At program point L6827(lines 6819 6828) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) [2022-11-20 11:46:01,195 INFO L899 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2022-11-20 11:46:01,196 INFO L902 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2022-11-20 11:46:01,196 INFO L899 garLoopResultBuilder]: For program point L7108-1(lines 7108 7110) no Hoare annotation was computed. [2022-11-20 11:46:01,196 INFO L895 garLoopResultBuilder]: At program point L7108(lines 7108 7110) the Hoare annotation is: false [2022-11-20 11:46:01,196 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-20 11:46:01,196 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-20 11:46:01,197 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-20 11:46:01,197 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-20 11:46:01,197 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-20 11:46:01,197 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-20 11:46:01,201 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 11:46:01,204 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:46:01,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:46:01 BoogieIcfgContainer [2022-11-20 11:46:01,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:46:01,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:46:01,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:46:01,222 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:46:01,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:45:52" (3/4) ... [2022-11-20 11:46:01,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:46:01,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2022-11-20 11:46:01,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-20 11:46:01,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-20 11:46:01,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-20 11:46:01,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 11:46:01,236 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 11:46:01,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_c_str [2022-11-20 11:46:01,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-20 11:46:01,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-20 11:46:01,252 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-20 11:46:01,263 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 11:46:01,264 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:46:01,265 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:46:01,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) [2022-11-20 11:46:01,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) [2022-11-20 11:46:01,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(max_size) == max_size || 16 == max_size) && !(str == 0)) && !(\result == 0)) && !(\old(max_size) == 16) [2022-11-20 11:46:01,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:46:01,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:46:01,514 INFO L158 Benchmark]: Toolchain (without parser) took 14133.81ms. Allocated memory was 146.8MB in the beginning and 257.9MB in the end (delta: 111.1MB). Free memory was 94.8MB in the beginning and 60.1MB in the end (delta: 34.7MB). Peak memory consumption was 145.6MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,514 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:46:01,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3288.86ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 94.8MB in the beginning and 84.7MB in the end (delta: 10.1MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.55ms. Allocated memory is still 188.7MB. Free memory was 84.7MB in the beginning and 75.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,516 INFO L158 Benchmark]: Boogie Preprocessor took 102.81ms. Allocated memory is still 188.7MB. Free memory was 75.3MB in the beginning and 132.5MB in the end (delta: -57.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,516 INFO L158 Benchmark]: RCFGBuilder took 1110.53ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 90.6MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,517 INFO L158 Benchmark]: TraceAbstraction took 9124.99ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 90.6MB in the beginning and 80.0MB in the end (delta: 10.6MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,517 INFO L158 Benchmark]: Witness Printer took 291.44ms. Allocated memory is still 257.9MB. Free memory was 80.0MB in the beginning and 60.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:46:01,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3288.86ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 94.8MB in the beginning and 84.7MB in the end (delta: 10.1MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 202.55ms. Allocated memory is still 188.7MB. Free memory was 84.7MB in the beginning and 75.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.81ms. Allocated memory is still 188.7MB. Free memory was 75.3MB in the beginning and 132.5MB in the end (delta: -57.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1110.53ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 90.6MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9124.99ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 90.6MB in the beginning and 80.0MB in the end (delta: 10.6MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 291.44ms. Allocated memory is still 257.9MB. Free memory was 80.0MB in the beginning and 60.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 1494 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1039 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1166 IncrementalHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 455 mSDtfsCounter, 1166 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 129 PreInvPairs, 152 NumberOfFragments, 378 HoareAnnotationTreeSize, 129 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 1097 SizeOfPredicates, 7 NumberOfNonLiveVariables, 907 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 259/291 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7577]: Loop Invariant Derived loop invariant: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: (((\old(max_size) == max_size || 16 == max_size) && !(str == 0)) && !(\result == 0)) && !(\old(max_size) == 16) - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) RESULT: Ultimate proved your program to be correct! [2022-11-20 11:46:01,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0908084d-7ea1-411a-bccc-2f41cfebceca/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE