/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:45:00,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:45:00,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:45:00,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:45:00,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:45:00,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:45:00,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:45:00,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:45:00,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:45:00,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:45:00,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:45:00,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:45:00,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:45:00,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:45:00,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:45:00,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:45:00,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:45:00,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:45:00,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:45:00,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:45:00,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:45:00,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:45:00,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:45:00,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:45:00,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 11:45:00,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 11:45:00,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 11:45:00,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 11:45:00,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 11:45:00,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 11:45:00,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:45:00,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:45:00,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:45:00,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:45:00,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:45:00,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:45:00,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:45:00,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:45:00,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:45:00,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:45:00,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:45:00,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:45:00,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:45:00,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:45:00,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:45:00,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:45:00,320 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:45:00,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:45:00,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:45:00,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:45:00,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:45:00,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:45:00,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:45:00,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:45:00,324 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:45:00,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:45:00,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:45:00,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:45:00,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:45:00,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:45:00,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:45:00,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:45:00,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:45:00,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:45:00,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:45:00,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:45:00,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:45:00,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:45:00,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:45:00,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:45:00,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:45:00,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:45:00,840 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:45:00,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2020-12-22 11:45:00,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ff5d6cd/8097e8b8b30f4a03a17e85e3c1c756ba/FLAG6df70c1de [2020-12-22 11:45:02,167 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:45:02,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2020-12-22 11:45:02,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ff5d6cd/8097e8b8b30f4a03a17e85e3c1c756ba/FLAG6df70c1de [2020-12-22 11:45:02,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6ff5d6cd/8097e8b8b30f4a03a17e85e3c1c756ba [2020-12-22 11:45:02,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:45:02,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:45:02,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:45:02,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:45:02,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:45:02,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:45:02" (1/1) ... [2020-12-22 11:45:02,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637afeb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:02, skipping insertion in model container [2020-12-22 11:45:02,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:45:02" (1/1) ... [2020-12-22 11:45:02,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:45:02,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:45:03,054 WARN L226 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_priority_queue_init_dynamic_harness.i[4505,4518] [2020-12-22 11:45:03,062 WARN L226 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_priority_queue_init_dynamic_harness.i[4565,4578] [2020-12-22 11:45:03,089 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:45:03,100 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:45:03,978 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:45:04,068 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,069 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,069 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,075 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,079 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,105 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,105 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,108 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,108 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,516 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:45:04,517 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:45:04,518 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:45:04,520 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:45:04,521 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:45:04,522 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:45:04,523 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:45:04,524 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:45:04,525 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:45:04,525 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:45:04,715 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,716 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:04,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:45:04,876 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:45:04,903 WARN L226 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_priority_queue_init_dynamic_harness.i[4505,4518] [2020-12-22 11:45:04,907 WARN L226 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_priority_queue_init_dynamic_harness.i[4565,4578] [2020-12-22 11:45:04,910 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:45:04,917 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:45:04,979 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:45:05,008 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,008 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,009 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,012 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,013 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,029 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,029 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:45:05,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:45:05,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:45:05,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:45:05,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:45:05,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:45:05,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:45:05,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:45:05,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:45:05,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:45:05,111 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,112 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:45:05,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:45:06,192 INFO L208 MainTranslator]: Completed translation [2020-12-22 11:45:06,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06 WrapperNode [2020-12-22 11:45:06,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 11:45:06,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 11:45:06,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 11:45:06,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 11:45:06,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 11:45:06,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 11:45:06,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 11:45:06,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 11:45:06,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... [2020-12-22 11:45:06,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 11:45:06,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 11:45:06,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 11:45:06,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 11:45:06,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:45:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 11:45:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 11:45:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 11:45:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 11:45:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 11:45:06,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 11:45:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 11:45:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-22 11:45:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 11:45:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 11:45:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 11:45:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 11:45:17,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 11:45:17,719 INFO L299 CfgBuilder]: Removed 209 assume(true) statements. [2020-12-22 11:45:17,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:45:17 BoogieIcfgContainer [2020-12-22 11:45:17,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 11:45:17,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 11:45:17,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 11:45:17,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 11:45:17,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:45:02" (1/3) ... [2020-12-22 11:45:17,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683682ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:45:17, skipping insertion in model container [2020-12-22 11:45:17,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:45:06" (2/3) ... [2020-12-22 11:45:17,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683682ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:45:17, skipping insertion in model container [2020-12-22 11:45:17,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:45:17" (3/3) ... [2020-12-22 11:45:17,731 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2020-12-22 11:45:17,738 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 11:45:17,744 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-12-22 11:45:17,765 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-12-22 11:45:17,798 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 11:45:17,798 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 11:45:17,798 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 11:45:17,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 11:45:17,799 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 11:45:17,799 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 11:45:17,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 11:45:17,799 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 11:45:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-12-22 11:45:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-22 11:45:17,831 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:45:17,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:45:17,833 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:45:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:45:17,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1877814829, now seen corresponding path program 1 times [2020-12-22 11:45:17,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:45:17,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725059881] [2020-12-22 11:45:17,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:45:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:45:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:45:18,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725059881] [2020-12-22 11:45:18,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:45:18,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 11:45:18,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710540164] [2020-12-22 11:45:18,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 11:45:18,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:45:18,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 11:45:18,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 11:45:18,763 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 2 states. [2020-12-22 11:45:18,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:45:18,832 INFO L93 Difference]: Finished difference Result 558 states and 777 transitions. [2020-12-22 11:45:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 11:45:18,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2020-12-22 11:45:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:45:18,859 INFO L225 Difference]: With dead ends: 558 [2020-12-22 11:45:18,859 INFO L226 Difference]: Without dead ends: 274 [2020-12-22 11:45:18,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 11:45:18,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-12-22 11:45:18,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2020-12-22 11:45:18,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-12-22 11:45:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-12-22 11:45:18,991 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 42 [2020-12-22 11:45:18,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:45:18,995 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-12-22 11:45:18,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 11:45:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-12-22 11:45:18,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 11:45:18,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:45:19,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:45:19,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 11:45:19,002 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:45:19,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:45:19,003 INFO L82 PathProgramCache]: Analyzing trace with hash 726142253, now seen corresponding path program 1 times [2020-12-22 11:45:19,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:45:19,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284416736] [2020-12-22 11:45:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:45:19,196 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:45:19,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [330927810] [2020-12-22 11:45:19,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:45:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:45:20,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-22 11:45:20,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:45:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:45:20,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284416736] [2020-12-22 11:45:20,904 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:45:20,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330927810] [2020-12-22 11:45:20,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:45:20,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:45:20,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634619124] [2020-12-22 11:45:20,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:45:20,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:45:20,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:45:20,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:45:20,914 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 3 states. [2020-12-22 11:45:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:45:21,029 INFO L93 Difference]: Finished difference Result 519 states and 652 transitions. [2020-12-22 11:45:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:45:21,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-22 11:45:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:45:21,035 INFO L225 Difference]: With dead ends: 519 [2020-12-22 11:45:21,035 INFO L226 Difference]: Without dead ends: 274 [2020-12-22 11:45:21,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:45:21,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-12-22 11:45:21,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2020-12-22 11:45:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-12-22 11:45:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 340 transitions. [2020-12-22 11:45:21,077 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 340 transitions. Word has length 54 [2020-12-22 11:45:21,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:45:21,081 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 340 transitions. [2020-12-22 11:45:21,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:45:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 340 transitions. [2020-12-22 11:45:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 11:45:21,083 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:45:21,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:45:21,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-22 11:45:21,299 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:45:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:45:21,300 INFO L82 PathProgramCache]: Analyzing trace with hash -657350258, now seen corresponding path program 1 times [2020-12-22 11:45:21,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:45:21,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360682225] [2020-12-22 11:45:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:45:21,460 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:45:21,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217060262] [2020-12-22 11:45:21,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:45:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:45:22,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 2527 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 11:45:22,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:45:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:45:22,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360682225] [2020-12-22 11:45:22,804 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:45:22,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217060262] [2020-12-22 11:45:22,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:45:22,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:45:22,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215138431] [2020-12-22 11:45:22,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:45:22,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:45:22,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:45:22,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:45:22,807 INFO L87 Difference]: Start difference. First operand 274 states and 340 transitions. Second operand 5 states. [2020-12-22 11:45:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:45:23,073 INFO L93 Difference]: Finished difference Result 686 states and 862 transitions. [2020-12-22 11:45:23,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 11:45:23,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-22 11:45:23,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:45:23,078 INFO L225 Difference]: With dead ends: 686 [2020-12-22 11:45:23,078 INFO L226 Difference]: Without dead ends: 513 [2020-12-22 11:45:23,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 11:45:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-12-22 11:45:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 277. [2020-12-22 11:45:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-12-22 11:45:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 343 transitions. [2020-12-22 11:45:23,101 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 343 transitions. Word has length 56 [2020-12-22 11:45:23,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:45:23,102 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 343 transitions. [2020-12-22 11:45:23,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:45:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 343 transitions. [2020-12-22 11:45:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 11:45:23,104 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:45:23,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:45:23,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:45:23,318 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:45:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:45:23,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1018083516, now seen corresponding path program 1 times [2020-12-22 11:45:23,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:45:23,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716307519] [2020-12-22 11:45:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:45:23,456 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:45:23,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [956529433] [2020-12-22 11:45:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:45:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:45:24,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 2516 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-22 11:45:24,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:45:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:45:24,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716307519] [2020-12-22 11:45:24,747 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:45:24,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956529433] [2020-12-22 11:45:24,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:45:24,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 11:45:24,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647677238] [2020-12-22 11:45:24,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 11:45:24,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:45:24,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 11:45:24,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 11:45:24,750 INFO L87 Difference]: Start difference. First operand 277 states and 343 transitions. Second operand 5 states. [2020-12-22 11:45:25,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:45:25,128 INFO L93 Difference]: Finished difference Result 519 states and 655 transitions. [2020-12-22 11:45:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 11:45:25,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-22 11:45:25,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:45:25,132 INFO L225 Difference]: With dead ends: 519 [2020-12-22 11:45:25,133 INFO L226 Difference]: Without dead ends: 517 [2020-12-22 11:45:25,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 11:45:25,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-12-22 11:45:25,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 279. [2020-12-22 11:45:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-12-22 11:45:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 345 transitions. [2020-12-22 11:45:25,152 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 345 transitions. Word has length 56 [2020-12-22 11:45:25,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:45:25,152 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 345 transitions. [2020-12-22 11:45:25,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 11:45:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 345 transitions. [2020-12-22 11:45:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 11:45:25,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:45:25,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 11:45:25,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:45:25,369 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:45:25,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:45:25,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1018023934, now seen corresponding path program 1 times [2020-12-22 11:45:25,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:45:25,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514864417] [2020-12-22 11:45:25,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:45:25,490 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:45:25,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471148049] [2020-12-22 11:45:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 11:48:49,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 11:48:49,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 11:48:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 11:48:49,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514864417] [2020-12-22 11:48:49,220 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-22 11:48:49,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471148049] [2020-12-22 11:48:49,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 11:48:49,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 11:48:49,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25932399] [2020-12-22 11:48:49,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 11:48:49,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 11:48:49,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 11:48:49,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:48:49,230 INFO L87 Difference]: Start difference. First operand 279 states and 345 transitions. Second operand 3 states. [2020-12-22 11:48:49,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 11:48:49,308 INFO L93 Difference]: Finished difference Result 533 states and 665 transitions. [2020-12-22 11:48:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 11:48:49,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-22 11:48:49,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 11:48:49,312 INFO L225 Difference]: With dead ends: 533 [2020-12-22 11:48:49,313 INFO L226 Difference]: Without dead ends: 283 [2020-12-22 11:48:49,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 11:48:49,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-12-22 11:48:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2020-12-22 11:48:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-12-22 11:48:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 347 transitions. [2020-12-22 11:48:49,327 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 347 transitions. Word has length 56 [2020-12-22 11:48:49,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 11:48:49,327 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 347 transitions. [2020-12-22 11:48:49,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 11:48:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 347 transitions. [2020-12-22 11:48:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-22 11:48:49,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 11:48:49,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2020-12-22 11:48:49,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 11:48:49,546 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 11:48:49,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 11:48:49,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1604623586, now seen corresponding path program 1 times [2020-12-22 11:48:49,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 11:48:49,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139742138] [2020-12-22 11:48:49,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 11:48:49,708 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-22 11:48:49,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368066121] [2020-12-22 11:48:49,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true