./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:33:37,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:33:37,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:33:37,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:33:37,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:33:37,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:33:37,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:33:37,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:33:37,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:33:37,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:33:37,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:33:37,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:33:37,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:33:37,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:33:37,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:33:37,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:33:37,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:33:37,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:33:37,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:33:37,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:33:37,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:33:37,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:33:37,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:33:37,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:33:37,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:33:37,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:33:37,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:33:37,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:33:37,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:33:37,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:33:37,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:33:37,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:33:37,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:33:37,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:33:37,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:33:37,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:33:37,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:33:37,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:33:37,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:33:37,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:33:37,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:33:37,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:33:37,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:33:37,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:33:37,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:33:37,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:33:37,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:33:37,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:33:37,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:33:37,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:33:37,193 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:33:37,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:33:37,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:33:37,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:33:37,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:33:37,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:33:37,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:33:37,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:33:37,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:33:37,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:33:37,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:33:37,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:33:37,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:33:37,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:33:37,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:33:37,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:33:37,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:33:37,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:33:37,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:33:37,198 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:33:37,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:33:37,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:33:37,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:33:37,199 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-12-21 15:33:37,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:33:37,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:33:37,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:33:37,449 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:33:37,450 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:33:37,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-21 15:33:37,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bd82c78/55fdd8d882d84f1c95db478897e18c95/FLAG391f700e0 [2021-12-21 15:33:38,199 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:33:38,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-21 15:33:38,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bd82c78/55fdd8d882d84f1c95db478897e18c95/FLAG391f700e0 [2021-12-21 15:33:38,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01bd82c78/55fdd8d882d84f1c95db478897e18c95 [2021-12-21 15:33:38,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:33:38,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:33:38,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:33:38,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:33:38,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:33:38,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:33:38" (1/1) ... [2021-12-21 15:33:38,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2fead5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:38, skipping insertion in model container [2021-12-21 15:33:38,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:33:38" (1/1) ... [2021-12-21 15:33:38,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:33:38,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:33:38,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-21 15:33:38,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-21 15:33:39,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,577 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,577 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,579 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,579 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,581 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,582 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,582 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,583 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:39,977 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:33:39,982 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:33:39,983 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:33:39,984 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:33:39,985 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:33:39,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:33:39,986 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:33:39,987 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:33:39,987 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:33:39,988 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:33:40,182 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:33:40,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,514 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,535 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:33:40,632 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:33:40,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-21 15:33:40,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-21 15:33:40,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,715 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,716 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,717 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,725 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,727 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,727 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,730 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,755 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:33:40,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:33:40,759 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:33:40,760 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:33:40,760 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:33:40,761 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:33:40,761 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:33:40,761 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:33:40,762 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:33:40,762 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:33:40,788 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:33:40,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,864 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,873 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,917 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,918 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,919 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,919 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,919 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,920 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,921 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:33:40,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:33:41,131 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:33:41,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41 WrapperNode [2021-12-21 15:33:41,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:33:41,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:33:41,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:33:41,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:33:41,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,342 INFO L137 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 527 [2021-12-21 15:33:41,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:33:41,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:33:41,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:33:41,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:33:41,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:33:41,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:33:41,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:33:41,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:33:41,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (1/1) ... [2021-12-21 15:33:41,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:33:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:33:41,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:33:41,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:33:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-21 15:33:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-21 15:33:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-21 15:33:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-21 15:33:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:33:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:33:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:33:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:33:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:33:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:33:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:33:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:33:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:33:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:33:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:33:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:33:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-21 15:33:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-21 15:33:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:33:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-21 15:33:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-21 15:33:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-21 15:33:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-21 15:33:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:33:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:33:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:33:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:33:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:33:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:33:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:33:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:33:41,783 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:33:41,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:33:42,647 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-21 15:33:42,655 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:33:42,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:33:42,663 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-21 15:33:42,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:33:42 BoogieIcfgContainer [2021-12-21 15:33:42,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:33:42,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:33:42,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:33:42,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:33:42,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:33:38" (1/3) ... [2021-12-21 15:33:42,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c899c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:33:42, skipping insertion in model container [2021-12-21 15:33:42,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:33:41" (2/3) ... [2021-12-21 15:33:42,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c899c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:33:42, skipping insertion in model container [2021-12-21 15:33:42,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:33:42" (3/3) ... [2021-12-21 15:33:42,676 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-12-21 15:33:42,680 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:33:42,680 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:33:42,731 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:33:42,746 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:33:42,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 15:33:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 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) [2021-12-21 15:33:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 15:33:42,777 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:33:42,778 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:33:42,778 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:33:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:33:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash 412073855, now seen corresponding path program 1 times [2021-12-21 15:33:42,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:33:42,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436146097] [2021-12-21 15:33:42,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:42,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:33:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:33:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:33:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:33:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:33:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 15:33:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:33:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:33:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:33:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 15:33:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 15:33:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-21 15:33:43,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:33:43,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436146097] [2021-12-21 15:33:43,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436146097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:33:43,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:33:43,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 15:33:43,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274250862] [2021-12-21 15:33:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:33:43,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:33:43,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:33:43,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:33:43,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 15:33:43,765 INFO L87 Difference]: Start difference. First operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 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 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 15:33:44,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:33:44,035 INFO L93 Difference]: Finished difference Result 277 states and 402 transitions. [2021-12-21 15:33:44,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:33:44,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2021-12-21 15:33:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:33:44,053 INFO L225 Difference]: With dead ends: 277 [2021-12-21 15:33:44,053 INFO L226 Difference]: Without dead ends: 135 [2021-12-21 15:33:44,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-21 15:33:44,062 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 29 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:33:44,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 409 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 15:33:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-12-21 15:33:44,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-12-21 15:33:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 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) [2021-12-21 15:33:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 188 transitions. [2021-12-21 15:33:44,102 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 188 transitions. Word has length 93 [2021-12-21 15:33:44,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:33:44,102 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 188 transitions. [2021-12-21 15:33:44,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 15:33:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2021-12-21 15:33:44,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 15:33:44,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:33:44,107 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:33:44,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:33:44,107 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:33:44,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:33:44,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1080401153, now seen corresponding path program 1 times [2021-12-21 15:33:44,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:33:44,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951967848] [2021-12-21 15:33:44,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:44,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:33:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:33:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:33:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:33:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:33:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 15:33:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:33:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:33:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:33:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 15:33:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 15:33:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,132 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 15:33:45,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:33:45,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951967848] [2021-12-21 15:33:45,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951967848] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:33:45,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653611516] [2021-12-21 15:33:45,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:45,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:33:45,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:33:45,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:33:45,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 15:33:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:45,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 124 conjunts are in the unsatisfiable core [2021-12-21 15:33:45,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:33:45,822 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 15:33:47,249 INFO L353 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-12-21 15:33:47,250 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 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 [2021-12-21 15:33:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:33:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:33:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:33:48,023 INFO L353 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-12-21 15:33:48,024 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 57 [2021-12-21 15:33:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 15:33:49,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:33:49,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653611516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:33:49,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:33:49,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [13] total 44 [2021-12-21 15:33:49,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709108557] [2021-12-21 15:33:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:33:49,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-21 15:33:49,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:33:49,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-21 15:33:49,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1788, Unknown=1, NotChecked=0, Total=1892 [2021-12-21 15:33:49,017 INFO L87 Difference]: Start difference. First operand 135 states and 188 transitions. Second operand has 34 states, 29 states have (on average 2.0689655172413794) internal successors, (60), 25 states have internal predecessors, (60), 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) [2021-12-21 15:33:51,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:33:51,216 INFO L93 Difference]: Finished difference Result 228 states and 331 transitions. [2021-12-21 15:33:51,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-21 15:33:51,217 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 29 states have (on average 2.0689655172413794) internal successors, (60), 25 states have internal predecessors, (60), 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 93 [2021-12-21 15:33:51,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:33:51,221 INFO L225 Difference]: With dead ends: 228 [2021-12-21 15:33:51,221 INFO L226 Difference]: Without dead ends: 220 [2021-12-21 15:33:51,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=241, Invalid=4180, Unknown=1, NotChecked=0, Total=4422 [2021-12-21 15:33:51,229 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 155 mSDsluCounter, 3289 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2224 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:33:51,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 3464 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1391 Invalid, 0 Unknown, 2224 Unchecked, 1.1s Time] [2021-12-21 15:33:51,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-12-21 15:33:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 169. [2021-12-21 15:33:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 138 states have (on average 1.463768115942029) internal successors, (202), 139 states have internal predecessors, (202), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (23), 18 states have call predecessors, (23), 17 states have call successors, (23) [2021-12-21 15:33:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2021-12-21 15:33:51,264 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 93 [2021-12-21 15:33:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:33:51,266 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2021-12-21 15:33:51,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 29 states have (on average 2.0689655172413794) internal successors, (60), 25 states have internal predecessors, (60), 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) [2021-12-21 15:33:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2021-12-21 15:33:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 15:33:51,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:33:51,277 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:33:51,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 15:33:51,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:33:51,498 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:33:51,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:33:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1889747779, now seen corresponding path program 1 times [2021-12-21 15:33:51,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:33:51,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543599921] [2021-12-21 15:33:51,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:51,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:33:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:33:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:33:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:33:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:33:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 15:33:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:33:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:33:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:33:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 15:33:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 15:33:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-21 15:33:52,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:33:52,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543599921] [2021-12-21 15:33:52,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543599921] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:33:52,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213772720] [2021-12-21 15:33:52,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:52,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:33:52,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:33:52,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:33:52,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 15:33:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:52,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 2152 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-21 15:33:52,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:33:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 15:33:53,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:33:53,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213772720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:33:53,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:33:53,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 32 [2021-12-21 15:33:53,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465433656] [2021-12-21 15:33:53,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:33:53,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-21 15:33:53,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:33:53,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-21 15:33:53,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2021-12-21 15:33:53,049 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2021-12-21 15:33:53,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:33:53,308 INFO L93 Difference]: Finished difference Result 311 states and 457 transitions. [2021-12-21 15:33:53,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 15:33:53,309 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) Word has length 93 [2021-12-21 15:33:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:33:53,314 INFO L225 Difference]: With dead ends: 311 [2021-12-21 15:33:53,315 INFO L226 Difference]: Without dead ends: 168 [2021-12-21 15:33:53,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=1303, Unknown=0, NotChecked=0, Total=1406 [2021-12-21 15:33:53,321 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 24 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2255 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:33:53,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 2255 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:33:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-21 15:33:53,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-12-21 15:33:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 137 states have (on average 1.467153284671533) internal successors, (201), 140 states have internal predecessors, (201), 17 states have call successors, (17), 10 states have call predecessors, (17), 13 states have return successors, (20), 17 states have call predecessors, (20), 16 states have call successors, (20) [2021-12-21 15:33:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 238 transitions. [2021-12-21 15:33:53,344 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 238 transitions. Word has length 93 [2021-12-21 15:33:53,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:33:53,346 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 238 transitions. [2021-12-21 15:33:53,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 7 states have call predecessors, (13), 4 states have call successors, (13) [2021-12-21 15:33:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 238 transitions. [2021-12-21 15:33:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 15:33:53,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:33:53,351 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:33:53,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 15:33:53,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-12-21 15:33:53,571 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:33:53,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:33:53,572 INFO L85 PathProgramCache]: Analyzing trace with hash -420869631, now seen corresponding path program 2 times [2021-12-21 15:33:53,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:33:53,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814338362] [2021-12-21 15:33:53,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:53,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:33:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:33:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:33:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:33:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:33:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 15:33:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:33:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:33:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:33:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 15:33:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 15:33:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-21 15:33:54,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:33:54,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814338362] [2021-12-21 15:33:54,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814338362] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:33:54,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790872405] [2021-12-21 15:33:54,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 15:33:54,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:33:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:33:54,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:33:54,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 15:33:54,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 15:33:54,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 15:33:54,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 2152 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-21 15:33:54,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:33:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-21 15:33:55,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:33:55,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790872405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:33:55,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:33:55,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 37 [2021-12-21 15:33:55,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20915104] [2021-12-21 15:33:55,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:33:55,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-21 15:33:55,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:33:55,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-21 15:33:55,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1251, Unknown=0, NotChecked=0, Total=1332 [2021-12-21 15:33:55,274 INFO L87 Difference]: Start difference. First operand 168 states and 238 transitions. Second operand has 17 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2021-12-21 15:33:55,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:33:55,576 INFO L93 Difference]: Finished difference Result 287 states and 417 transitions. [2021-12-21 15:33:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 15:33:55,577 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 93 [2021-12-21 15:33:55,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:33:55,578 INFO L225 Difference]: With dead ends: 287 [2021-12-21 15:33:55,578 INFO L226 Difference]: Without dead ends: 150 [2021-12-21 15:33:55,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=118, Invalid=1774, Unknown=0, NotChecked=0, Total=1892 [2021-12-21 15:33:55,580 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 31 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:33:55,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 2447 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 15:33:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-12-21 15:33:55,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2021-12-21 15:33:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.448) internal successors, (181), 125 states have internal predecessors, (181), 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) [2021-12-21 15:33:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 210 transitions. [2021-12-21 15:33:55,590 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 210 transitions. Word has length 93 [2021-12-21 15:33:55,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:33:55,590 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 210 transitions. [2021-12-21 15:33:55,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 7 states have call successors, (14), 2 states have call predecessors, (14), 6 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2021-12-21 15:33:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 210 transitions. [2021-12-21 15:33:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-21 15:33:55,592 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:33:55,592 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:33:55,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 15:33:55,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:33:55,805 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:33:55,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:33:55,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1741756842, now seen corresponding path program 1 times [2021-12-21 15:33:55,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:33:55,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565174385] [2021-12-21 15:33:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:55,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:33:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:33:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:33:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:33:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:33:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 15:33:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:33:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:33:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:33:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:33:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 15:33:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 15:33:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-21 15:33:56,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:33:56,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565174385] [2021-12-21 15:33:56,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565174385] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:33:56,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239304479] [2021-12-21 15:33:56,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:33:56,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:33:56,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:33:56,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:33:56,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 15:33:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:33:56,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 135 conjunts are in the unsatisfiable core [2021-12-21 15:33:56,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:33:56,932 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 15:33:58,153 INFO L353 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-12-21 15:33:58,153 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 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 [2021-12-21 15:33:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:33:58,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:33:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:33:58,755 INFO L353 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-12-21 15:33:58,755 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 57 [2021-12-21 15:33:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-21 15:33:59,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:33:59,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239304479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:33:59,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:33:59,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [13] total 44 [2021-12-21 15:33:59,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716067055] [2021-12-21 15:33:59,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:33:59,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-21 15:33:59,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:33:59,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-21 15:33:59,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1788, Unknown=1, NotChecked=0, Total=1892 [2021-12-21 15:33:59,652 INFO L87 Difference]: Start difference. First operand 150 states and 210 transitions. Second operand has 34 states, 29 states have (on average 2.0) internal successors, (58), 25 states have internal predecessors, (58), 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) [2021-12-21 15:34:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:34:01,481 INFO L93 Difference]: Finished difference Result 169 states and 229 transitions. [2021-12-21 15:34:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-21 15:34:01,481 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 29 states have (on average 2.0) internal successors, (58), 25 states have internal predecessors, (58), 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 94 [2021-12-21 15:34:01,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:34:01,482 INFO L225 Difference]: With dead ends: 169 [2021-12-21 15:34:01,482 INFO L226 Difference]: Without dead ends: 151 [2021-12-21 15:34:01,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=241, Invalid=4179, Unknown=2, NotChecked=0, Total=4422 [2021-12-21 15:34:01,484 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 64 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 3110 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 597 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 15:34:01,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 3110 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1237 Invalid, 0 Unknown, 597 Unchecked, 0.8s Time] [2021-12-21 15:34:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-12-21 15:34:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 150. [2021-12-21 15:34:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.44) internal successors, (180), 125 states have internal predecessors, (180), 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) [2021-12-21 15:34:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 209 transitions. [2021-12-21 15:34:01,497 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 209 transitions. Word has length 94 [2021-12-21 15:34:01,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:34:01,498 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 209 transitions. [2021-12-21 15:34:01,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 29 states have (on average 2.0) internal successors, (58), 25 states have internal predecessors, (58), 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) [2021-12-21 15:34:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 209 transitions. [2021-12-21 15:34:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-21 15:34:01,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:34:01,500 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:34:01,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 15:34:01,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:34:01,700 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:34:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:34:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash 940223250, now seen corresponding path program 1 times [2021-12-21 15:34:01,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:34:01,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436125344] [2021-12-21 15:34:01,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:34:01,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:34:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:34:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:34:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 15:34:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 15:34:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:34:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:34:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 15:34:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:34:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:34:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:34:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 15:34:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 15:34:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 15:34:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-21 15:34:02,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:34:02,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436125344] [2021-12-21 15:34:02,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436125344] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:34:02,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519433057] [2021-12-21 15:34:02,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:34:02,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:34:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:34:02,235 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:34:02,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 15:34:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:34:02,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 2164 conjuncts, 151 conjunts are in the unsatisfiable core [2021-12-21 15:34:02,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:34:02,756 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 15:34:05,749 INFO L353 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-12-21 15:34:05,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 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 [2021-12-21 15:34:06,121 WARN L860 $PredicateComparison]: unable to prove that (exists ((hashlittle2_~c~5 Int) (hashlittle2_~pb.base Int) (hashlittle2_~pc.offset Int) (hashlittle2_~pc.base Int)) (and (<= |c_hashlittle2_#in~pb.base| hashlittle2_~pb.base) (exists ((v_ArrVal_964 (Array Int Int)) (|hashlittle2_~#u~1.base| Int) (v_ArrVal_961 (Array Int Int))) (and (< |c_#StackHeapBarrier| |hashlittle2_~#u~1.base|) (= (store (let ((.cse0 (store |c_old(#memory_int)| |hashlittle2_~#u~1.base| v_ArrVal_961))) (store .cse0 hashlittle2_~pc.base (store (select .cse0 hashlittle2_~pc.base) hashlittle2_~pc.offset hashlittle2_~c~5))) hashlittle2_~pb.base v_ArrVal_964) |c_#memory_int|))) (<= |c_hashlittle2_#in~pc.base| hashlittle2_~pc.base))) is different from true [2021-12-21 15:34:06,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:34:06,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:34:06,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:34:06,264 INFO L353 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-12-21 15:34:06,264 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 109 treesize of output 139 [2021-12-21 15:34:06,276 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-21 15:34:06,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-21 15:34:06,369 INFO L387 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-21 15:34:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:34:06,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:34:06,833 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 15:34:06,834 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 77 [2021-12-21 15:34:06,840 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-12-21 15:34:06,840 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:34:06,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-12-21 15:34:06,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127035300] [2021-12-21 15:34:06,841 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-21 15:34:06,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 15:34:06,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:34:06,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 15:34:06,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1691, Unknown=1, NotChecked=82, Total=1892 [2021-12-21 15:34:06,843 INFO L87 Difference]: Start difference. First operand 150 states and 209 transitions. Second operand has 13 states, 11 states have (on average 4.454545454545454) internal successors, (49), 9 states have internal predecessors, (49), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2021-12-21 15:34:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 15:34:06,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=118, Invalid=1691, Unknown=1, NotChecked=82, Total=1892 [2021-12-21 15:34:06,845 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 1 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 [2021-12-21 15:34:06,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:34:06,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 15:34:07,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:34:07,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3846d765 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:455) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 15:34:07,075 INFO L158 Benchmark]: Toolchain (without parser) took 28763.08ms. Allocated memory was 107.0MB in the beginning and 302.0MB in the end (delta: 195.0MB). Free memory was 82.9MB in the beginning and 169.4MB in the end (delta: -86.5MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2021-12-21 15:34:07,075 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:34:07,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2818.98ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 82.5MB in the beginning and 92.1MB in the end (delta: -9.6MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2021-12-21 15:34:07,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.03ms. Allocated memory is still 161.5MB. Free memory was 92.1MB in the beginning and 82.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 15:34:07,076 INFO L158 Benchmark]: Boogie Preprocessor took 71.78ms. Allocated memory is still 161.5MB. Free memory was 82.0MB in the beginning and 74.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:34:07,076 INFO L158 Benchmark]: RCFGBuilder took 1248.82ms. Allocated memory is still 161.5MB. Free memory was 74.5MB in the beginning and 66.6MB in the end (delta: 7.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-12-21 15:34:07,077 INFO L158 Benchmark]: TraceAbstraction took 24408.16ms. Allocated memory was 161.5MB in the beginning and 302.0MB in the end (delta: 140.5MB). Free memory was 65.6MB in the beginning and 169.4MB in the end (delta: -103.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-12-21 15:34:07,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2818.98ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 82.5MB in the beginning and 92.1MB in the end (delta: -9.6MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.03ms. Allocated memory is still 161.5MB. Free memory was 92.1MB in the beginning and 82.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.78ms. Allocated memory is still 161.5MB. Free memory was 82.0MB in the beginning and 74.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1248.82ms. Allocated memory is still 161.5MB. Free memory was 74.5MB in the beginning and 66.6MB in the end (delta: 7.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24408.16ms. Allocated memory was 161.5MB in the beginning and 302.0MB in the end (delta: 140.5MB). Free memory was 65.6MB in the beginning and 169.4MB in the end (delta: -103.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3846d765 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3846d765: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 15:34:07,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:34:08,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:34:08,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:34:09,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:34:09,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:34:09,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:34:09,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:34:09,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:34:09,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:34:09,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:34:09,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:34:09,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:34:09,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:34:09,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:34:09,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:34:09,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:34:09,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:34:09,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:34:09,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:34:09,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:34:09,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:34:09,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:34:09,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:34:09,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:34:09,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:34:09,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:34:09,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:34:09,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:34:09,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:34:09,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:34:09,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:34:09,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:34:09,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:34:09,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:34:09,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:34:09,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:34:09,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:34:09,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:34:09,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:34:09,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:34:09,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:34:09,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-21 15:34:09,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:34:09,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:34:09,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:34:09,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:34:09,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:34:09,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:34:09,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:34:09,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:34:09,139 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:34:09,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:34:09,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:34:09,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:34:09,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:34:09,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:34:09,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 15:34:09,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 15:34:09,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 15:34:09,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:34:09,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:34:09,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:34:09,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:34:09,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:34:09,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:34:09,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:34:09,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:34:09,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:34:09,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:34:09,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 15:34:09,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 15:34:09,143 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:34:09,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:34:09,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:34:09,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:34:09,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 15:34:09,144 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-12-21 15:34:09,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:34:09,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:34:09,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:34:09,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:34:09,466 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:34:09,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-21 15:34:09,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8d2370e/f057a927e3b64018b0df9fd75dac754e/FLAG2d0f21aae [2021-12-21 15:34:10,234 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:34:10,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-21 15:34:10,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8d2370e/f057a927e3b64018b0df9fd75dac754e/FLAG2d0f21aae [2021-12-21 15:34:10,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8d2370e/f057a927e3b64018b0df9fd75dac754e [2021-12-21 15:34:10,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:34:10,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:34:10,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:34:10,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:34:10,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:34:10,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:34:10" (1/1) ... [2021-12-21 15:34:10,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb70a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:10, skipping insertion in model container [2021-12-21 15:34:10,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:34:10" (1/1) ... [2021-12-21 15:34:10,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:34:10,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:34:10,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-21 15:34:10,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-21 15:34:11,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,513 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,514 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,534 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:11,841 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:34:11,843 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:34:11,845 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:34:11,847 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:34:11,849 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:34:11,849 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:34:11,850 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:34:11,851 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:34:11,851 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:34:11,853 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:34:11,982 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:34:12,218 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,219 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,234 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,243 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,283 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,283 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,284 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,284 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,285 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,285 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:34:12,378 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-21 15:34:12,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:34:12,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-21 15:34:12,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-21 15:34:12,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,475 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,476 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,476 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,482 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,487 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,488 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,488 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,488 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,534 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:34:12,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:34:12,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:34:12,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:34:12,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:34:12,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:34:12,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:34:12,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:34:12,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:34:12,541 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:34:12,562 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:34:12,663 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,664 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,673 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,676 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,676 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,682 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,683 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,684 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,685 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:34:12,745 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:34:12,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-21 15:34:12,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-21 15:34:12,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,818 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,819 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,823 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,846 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:34:12,847 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:34:12,847 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:34:12,848 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:34:12,848 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:34:12,849 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:34:12,850 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:34:12,850 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:34:12,850 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:34:12,851 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:34:12,866 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:34:12,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,970 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,976 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,977 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,982 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,982 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,994 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,995 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:12,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:34:13,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:34:13,270 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:34:13,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13 WrapperNode [2021-12-21 15:34:13,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:34:13,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:34:13,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:34:13,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:34:13,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,418 INFO L137 Inliner]: procedures = 794, calls = 2483, calls flagged for inlining = 69, calls inlined = 5, statements flattened = 528 [2021-12-21 15:34:13,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:34:13,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:34:13,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:34:13,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:34:13,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:34:13,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:34:13,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:34:13,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:34:13,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:34:13" (1/1) ... [2021-12-21 15:34:13,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:34:13,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:34:13,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:34:13,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:34:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-21 15:34:13,618 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-21 15:34:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-21 15:34:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-21 15:34:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-21 15:34:13,619 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-21 15:34:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:34:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:34:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:34:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:34:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:34:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:34:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:34:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:34:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:34:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-21 15:34:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-21 15:34:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:34:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-21 15:34:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-21 15:34:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-21 15:34:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 15:34:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-21 15:34:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:34:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:34:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-21 15:34:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-21 15:34:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 15:34:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:34:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:34:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:34:13,939 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:34:13,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:34:14,315 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 15:34:14,322 INFO L158 Benchmark]: Toolchain (without parser) took 3967.87ms. Allocated memory was 56.6MB in the beginning and 176.2MB in the end (delta: 119.5MB). Free memory was 25.8MB in the beginning and 111.2MB in the end (delta: -85.4MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2021-12-21 15:34:14,322 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:34:14,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2916.11ms. Allocated memory was 56.6MB in the beginning and 176.2MB in the end (delta: 119.5MB). Free memory was 25.6MB in the beginning and 99.9MB in the end (delta: -74.3MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2021-12-21 15:34:14,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.39ms. Allocated memory is still 176.2MB. Free memory was 99.9MB in the beginning and 89.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 15:34:14,325 INFO L158 Benchmark]: Boogie Preprocessor took 122.61ms. Allocated memory is still 176.2MB. Free memory was 89.4MB in the beginning and 81.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:34:14,326 INFO L158 Benchmark]: RCFGBuilder took 777.04ms. Allocated memory is still 176.2MB. Free memory was 81.0MB in the beginning and 111.2MB in the end (delta: -30.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-12-21 15:34:14,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2916.11ms. Allocated memory was 56.6MB in the beginning and 176.2MB in the end (delta: 119.5MB). Free memory was 25.6MB in the beginning and 99.9MB in the end (delta: -74.3MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.39ms. Allocated memory is still 176.2MB. Free memory was 99.9MB in the beginning and 89.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.61ms. Allocated memory is still 176.2MB. Free memory was 89.4MB in the beginning and 81.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 777.04ms. Allocated memory is still 176.2MB. Free memory was 81.0MB in the beginning and 111.2MB in the end (delta: -30.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 15:34:14,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl