./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- 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-4e7fbc6 [2022-11-23 14:17:06,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:17:06,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:17:06,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:17:06,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:17:06,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:17:06,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:17:06,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:17:06,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:17:06,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:17:06,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:17:06,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:17:06,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:17:06,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:17:06,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:17:06,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:17:06,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:17:06,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:17:06,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:17:06,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:17:06,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:17:06,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:17:06,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:17:06,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:17:06,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:17:06,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:17:06,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:17:06,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:17:06,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:17:06,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:17:06,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:17:06,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:17:06,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:17:06,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:17:06,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:17:06,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:17:06,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:17:06,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:17:06,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:17:06,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:17:06,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:17:06,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:17:06,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:17:06,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:17:06,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:17:06,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:17:06,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:17:06,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:17:06,272 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:17:06,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:17:06,273 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:17:06,273 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:17:06,273 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:17:06,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:17:06,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:17:06,273 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:17:06,274 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:17:06,274 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:17:06,274 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:17:06,274 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:17:06,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:17:06,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:17:06,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:17:06,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:17:06,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:17:06,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:17:06,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:17:06,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:17:06,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:17:06,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:17:06,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:17:06,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:17:06,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:17:06,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:17:06,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:17:06,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:17:06,278 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:17:06,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:17:06,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:17:06,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:17:06,279 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_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2022-11-23 14:17:06,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:17:06,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:17:06,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:17:06,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:17:06,612 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:17:06,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2022-11-23 14:17:09,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:17:10,523 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:17:10,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2022-11-23 14:17:10,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/data/7b3dd7872/d9068d3963bc4cb68dbeb3ef6030dcc9/FLAGc7cc3d18b [2022-11-23 14:17:10,598 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/data/7b3dd7872/d9068d3963bc4cb68dbeb3ef6030dcc9 [2022-11-23 14:17:10,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:17:10,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:17:10,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:17:10,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:17:10,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:17:10,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:10" (1/1) ... [2022-11-23 14:17:10,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0ca150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:10, skipping insertion in model container [2022-11-23 14:17:10,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:17:10" (1/1) ... [2022-11-23 14:17:10,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:17:10,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:17:11,103 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_bc556ad3-5e8a-4a1c-b576-d54a2928b052/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2022-11-23 14:17:11,115 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_bc556ad3-5e8a-4a1c-b576-d54a2928b052/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2022-11-23 14:17:12,419 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,420 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,421 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,422 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,439 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,440 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,442 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,443 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,445 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,447 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,448 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:12,448 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:17:13,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:17:13,114 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:17:13,116 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:17:13,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:17:13,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:17:13,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:17:13,121 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:17:13,121 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:17:13,122 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:17:13,413 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:17:13,879 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,881 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,917 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,919 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,927 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,928 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,950 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,951 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,951 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,952 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,952 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,953 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:13,953 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:17:14,081 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:17:14,114 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_bc556ad3-5e8a-4a1c-b576-d54a2928b052/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2022-11-23 14:17:14,115 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_bc556ad3-5e8a-4a1c-b576-d54a2928b052/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2022-11-23 14:17:14,166 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,166 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,168 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,169 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,170 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,181 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,182 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,183 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,184 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,186 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,187 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,187 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,187 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,229 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:17:14,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:17:14,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:17:14,235 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:17:14,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:17:14,236 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:17:14,237 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:17:14,238 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:17:14,239 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:17:14,239 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:17:14,272 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:17:14,459 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,460 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,476 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,477 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,482 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,493 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,494 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,495 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,496 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,496 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,497 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,497 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:17:14,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:17:14,854 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:17:14,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14 WrapperNode [2022-11-23 14:17:14,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:17:14,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:17:14,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:17:14,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:17:14,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:14,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,045 INFO L138 Inliner]: procedures = 774, calls = 2482, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 526 [2022-11-23 14:17:15,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:17:15,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:17:15,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:17:15,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:17:15,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:17:15,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:17:15,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:17:15,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:17:15,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (1/1) ... [2022-11-23 14:17:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:17:15,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:17:15,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:17:15,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:17:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-23 14:17:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-23 14:17:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-23 14:17:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-23 14:17:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 14:17:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 14:17:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:17:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:17:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:17:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:17:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:17:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:17:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:17:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:17:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 14:17:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 14:17:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-23 14:17:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-23 14:17:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:17:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2022-11-23 14:17:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2022-11-23 14:17:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-23 14:17:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-23 14:17:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:17:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:17:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:17:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:17:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:17:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 14:17:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 14:17:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:17:15,642 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:17:15,644 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:17:18,012 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-23 14:17:18,028 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:17:18,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:17:18,271 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-23 14:17:18,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:18 BoogieIcfgContainer [2022-11-23 14:17:18,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:17:18,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:17:18,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:17:18,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:17:18,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:17:10" (1/3) ... [2022-11-23 14:17:18,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac25bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:17:18, skipping insertion in model container [2022-11-23 14:17:18,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:17:14" (2/3) ... [2022-11-23 14:17:18,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac25bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:17:18, skipping insertion in model container [2022-11-23 14:17:18,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:17:18" (3/3) ... [2022-11-23 14:17:18,284 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2022-11-23 14:17:18,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:17:18,307 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:17:18,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:17:18,371 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=FINITE_AUTOMATA, 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;@46720b0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:17:18,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:17:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 14:17:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 14:17:18,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:17:18,389 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:17:18,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:17:18,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:17:18,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1922620881, now seen corresponding path program 1 times [2022-11-23 14:17:18,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:17:18,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742808940] [2022-11-23 14:17:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:17:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:17:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:17:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 14:17:21,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:17:21,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742808940] [2022-11-23 14:17:21,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742808940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:17:21,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117418252] [2022-11-23 14:17:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:17:21,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:17:21,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:17:21,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:17:21,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:17:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:17:22,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 137 conjunts are in the unsatisfiable core [2022-11-23 14:17:22,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:17:22,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:17:25,147 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-23 14:17:25,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 43 [2022-11-23 14:17:26,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,149 INFO L321 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2022-11-23 14:17:26,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 144 [2022-11-23 14:17:26,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-11-23 14:17:26,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-23 14:17:26,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-23 14:17:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:26,603 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 14:17:26,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 70 [2022-11-23 14:17:26,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-23 14:17:26,656 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 14:17:28,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:17:28,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117418252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:17:28,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:17:28,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [10] total 36 [2022-11-23 14:17:28,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499855240] [2022-11-23 14:17:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:17:28,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-23 14:17:28,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:17:28,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-23 14:17:28,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1179, Unknown=1, NotChecked=0, Total=1260 [2022-11-23 14:17:28,219 INFO L87 Difference]: Start difference. First operand has 88 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 28 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 19 states have internal predecessors, (32), 9 states have call successors, (14), 4 states have call predecessors, (14), 8 states have return successors, (13), 10 states have call predecessors, (13), 8 states have call successors, (13) [2022-11-23 14:17:35,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:17:35,652 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2022-11-23 14:17:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 14:17:35,661 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 19 states have internal predecessors, (32), 9 states have call successors, (14), 4 states have call predecessors, (14), 8 states have return successors, (13), 10 states have call predecessors, (13), 8 states have call successors, (13) Word has length 61 [2022-11-23 14:17:35,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:17:35,671 INFO L225 Difference]: With dead ends: 139 [2022-11-23 14:17:35,671 INFO L226 Difference]: Without dead ends: 86 [2022-11-23 14:17:35,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=215, Invalid=3089, Unknown=2, NotChecked=0, Total=3306 [2022-11-23 14:17:35,680 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 202 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 48 mSolverCounterUnsat, 50 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 50 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:17:35,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 468 Invalid, 2623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [48 Valid, 2525 Invalid, 50 Unknown, 0 Unchecked, 5.1s Time] [2022-11-23 14:17:35,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-23 14:17:35,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-23 14:17:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 61 states have internal predecessors, (90), 15 states have call successors, (15), 10 states have call predecessors, (15), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 14:17:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 119 transitions. [2022-11-23 14:17:35,750 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 119 transitions. Word has length 61 [2022-11-23 14:17:35,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:17:35,752 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 119 transitions. [2022-11-23 14:17:35,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 19 states have internal predecessors, (32), 9 states have call successors, (14), 4 states have call predecessors, (14), 8 states have return successors, (13), 10 states have call predecessors, (13), 8 states have call successors, (13) [2022-11-23 14:17:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2022-11-23 14:17:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 14:17:35,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:17:35,761 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:17:35,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:17:35,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 14:17:35,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:17:35,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:17:35,973 INFO L85 PathProgramCache]: Analyzing trace with hash -996752226, now seen corresponding path program 1 times [2022-11-23 14:17:35,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:17:35,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399603274] [2022-11-23 14:17:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:17:35,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:17:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:17:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 14:17:38,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:17:38,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399603274] [2022-11-23 14:17:38,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399603274] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:17:38,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962591060] [2022-11-23 14:17:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:17:38,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:17:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:17:38,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:17:38,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc556ad3-5e8a-4a1c-b576-d54a2928b052/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:17:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:17:39,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 132 conjunts are in the unsatisfiable core [2022-11-23 14:17:39,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:17:39,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:17:41,749 INFO L321 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2022-11-23 14:17:41,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 43 [2022-11-23 14:17:42,216 WARN L859 $PredicateComparison]: unable to prove that (exists ((hashlittle2_~pb.base Int) (hashlittle2_~pc.base Int)) (and (<= |c_hashlittle2_#in~pb.base| hashlittle2_~pb.base) (exists ((v_ArrVal_238 (Array Int Int)) (|hashlittle2_~#u~1.base| Int) (v_ArrVal_237 (Array Int Int)) (v_ArrVal_239 (Array Int Int))) (and (< |c_#StackHeapBarrier| |hashlittle2_~#u~1.base|) (= (store (store (store |c_old(#memory_int)| |hashlittle2_~#u~1.base| v_ArrVal_237) hashlittle2_~pc.base v_ArrVal_238) hashlittle2_~pb.base v_ArrVal_239) |c_#memory_int|))) (<= |c_hashlittle2_#in~pc.base| hashlittle2_~pc.base))) is different from true [2022-11-23 14:17:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:42,323 INFO L321 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2022-11-23 14:17:42,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 86 [2022-11-23 14:17:43,759 INFO L321 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-11-23 14:17:43,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 187 treesize of output 171 [2022-11-23 14:17:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 14:17:44,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:17:47,000 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_aws_hash_string_~str~3#1.offset| 8)) (.cse5 (not (= |c_ULTIMATE.start_aws_hash_string_~str~3#1.base| 0)))) (and (forall ((v_hashlittle2_~pc.base_10 Int)) (or (forall ((v_hashlittle2_~pb.base_10 Int)) (or (forall ((|v_hashlittle2_~#u~1.base_18| Int)) (or (not (< |c_#StackHeapBarrier| |v_hashlittle2_~#u~1.base_18|)) (forall ((v_ArrVal_248 (Array Int Int)) (v_ArrVal_247 (Array Int Int)) (v_ArrVal_246 (Array Int Int))) (let ((.cse1 (select (store (store (store |c_#memory_int| |v_hashlittle2_~#u~1.base_18| v_ArrVal_247) v_hashlittle2_~pc.base_10 v_ArrVal_248) v_hashlittle2_~pb.base_10 v_ArrVal_246) |c_ULTIMATE.start_aws_hash_string_~str~3#1.base|))) (let ((.cse0 (mod (select .cse1 .cse2) 18446744073709551616))) (or (not (<= .cse0 9223372036854775807)) (= (mod (select .cse1 (+ 16 |c_ULTIMATE.start_aws_hash_string_~str~3#1.offset| .cse0)) 256) 0))))))) (< v_hashlittle2_~pb.base_10 |c_ULTIMATE.start_aws_hash_string_~#b~6#1.base|))) (< v_hashlittle2_~pc.base_10 |c_ULTIMATE.start_aws_hash_string_~#c~8#1.base|))) (forall ((v_hashlittle2_~pc.base_10 Int)) (or (forall ((v_hashlittle2_~pb.base_10 Int)) (or (forall ((|v_hashlittle2_~#u~1.base_18| Int)) (or (not (< |c_#StackHeapBarrier| |v_hashlittle2_~#u~1.base_18|)) (forall ((v_ArrVal_248 (Array Int Int)) (v_ArrVal_247 (Array Int Int)) (v_ArrVal_246 (Array Int Int))) (let ((.cse4 (select (store (store (store |c_#memory_int| |v_hashlittle2_~#u~1.base_18| v_ArrVal_247) v_hashlittle2_~pc.base_10 v_ArrVal_248) v_hashlittle2_~pb.base_10 v_ArrVal_246) |c_ULTIMATE.start_aws_hash_string_~str~3#1.base|))) (let ((.cse3 (mod (select .cse4 .cse2) 18446744073709551616))) (or (<= .cse3 9223372036854775807) (= (mod (select .cse4 (+ |c_ULTIMATE.start_aws_hash_string_~str~3#1.offset| (- 18446744073709551600) .cse3)) 256) 0))))))) (< v_hashlittle2_~pb.base_10 |c_ULTIMATE.start_aws_hash_string_~#b~6#1.base|))) (< v_hashlittle2_~pc.base_10 |c_ULTIMATE.start_aws_hash_string_~#c~8#1.base|))) (or (not (= |c_ULTIMATE.start_aws_hash_string_~str~3#1.offset| 0)) .cse5) (or (not (= 0 (+ 16 |c_ULTIMATE.start_aws_hash_string_~str~3#1.offset|))) (forall ((v_ArrVal_248 (Array Int Int)) (|v_hashlittle2_~#u~1.base_18| Int) (v_hashlittle2_~pb.base_10 Int) (v_ArrVal_247 (Array Int Int)) (v_hashlittle2_~pc.base_10 Int) (v_ArrVal_246 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_hashlittle2_~#u~1.base_18|)) (= (mod (+ (select (select (store (store (store |c_#memory_int| |v_hashlittle2_~#u~1.base_18| v_ArrVal_247) v_hashlittle2_~pc.base_10 v_ArrVal_248) v_hashlittle2_~pb.base_10 v_ArrVal_246) |c_ULTIMATE.start_aws_hash_string_~str~3#1.base|) .cse2) 1) 18446744073709551616) 0) (< v_hashlittle2_~pb.base_10 |c_ULTIMATE.start_aws_hash_string_~#b~6#1.base|) (< v_hashlittle2_~pc.base_10 |c_ULTIMATE.start_aws_hash_string_~#c~8#1.base|))) .cse5))) is different from false [2022-11-23 14:17:47,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962591060] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:17:47,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [296333522] [2022-11-23 14:17:47,029 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-23 14:17:47,030 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:17:47,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:17:47,040 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:17:47,040 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:17:52,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 14:17:52,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 14:17:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-23 14:17:52,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-23 14:17:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-23 14:17:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:17:52,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-23 14:17:54,388 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:17:58,138 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 14:18:00,493 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 2423 for LOIs [2022-11-23 14:18:55,226 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 2408 for LOIs [2022-11-23 14:18:57,392 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 2432 for LOIs [2022-11-23 14:19:21,964 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 2474 for LOIs [2022-11-23 14:19:40,018 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:20:22,648 WARN L233 SmtUtils]: Spent 40.34s on a formula simplification that was a NOOP. DAG size: 2408 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:21:05,082 WARN L233 SmtUtils]: Spent 40.14s on a formula simplification that was a NOOP. DAG size: 2423 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:21:47,076 WARN L233 SmtUtils]: Spent 39.77s on a formula simplification that was a NOOP. DAG size: 2425 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:23:50,501 WARN L233 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 2474 DAG size of output: 2421 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:25:51,133 WARN L233 SmtUtils]: Spent 1.96m on a formula simplification. DAG size of input: 2479 DAG size of output: 2438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:27:16,560 WARN L233 SmtUtils]: Spent 1.38m on a formula simplification. DAG size of input: 2446 DAG size of output: 2439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:28:41,683 WARN L233 SmtUtils]: Spent 1.37m on a formula simplification. DAG size of input: 2450 DAG size of output: 2443 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:30:03,211 WARN L233 SmtUtils]: Spent 1.32m on a formula simplification. DAG size of input: 2432 DAG size of output: 2426 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)