./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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_table_create_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 a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 12:58:46,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 12:58:46,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 12:58:46,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 12:58:46,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 12:58:46,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 12:58:46,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 12:58:46,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 12:58:46,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 12:58:46,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 12:58:46,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 12:58:46,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 12:58:46,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 12:58:46,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 12:58:46,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 12:58:46,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 12:58:46,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 12:58:46,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 12:58:46,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 12:58:46,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 12:58:46,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 12:58:46,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 12:58:46,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 12:58:46,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 12:58:46,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 12:58:46,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 12:58:46,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 12:58:46,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 12:58:46,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 12:58:46,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 12:58:46,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 12:58:46,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 12:58:46,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 12:58:46,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 12:58:46,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 12:58:46,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 12:58:46,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 12:58:46,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 12:58:46,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 12:58:46,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 12:58:46,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 12:58:46,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 12:58:46,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 12:58:46,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 12:58:46,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 12:58:46,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 12:58:46,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 12:58:46,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 12:58:46,216 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 12:58:46,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 12:58:46,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 12:58:46,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 12:58:46,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 12:58:46,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 12:58:46,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 12:58:46,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 12:58:46,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 12:58:46,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 12:58:46,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 12:58:46,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 12:58:46,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 12:58:46,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 12:58:46,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 12:58:46,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 12:58:46,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 12:58:46,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 12:58:46,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 12:58:46,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 12:58:46,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 12:58:46,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 12:58:46,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 12:58:46,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a871e941a14cf19147765419aa3746af2f9add859ed1f61f31f704f97208fdb0 [2021-11-05 12:58:46,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 12:58:46,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 12:58:46,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 12:58:46,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 12:58:46,513 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 12:58:46,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-11-05 12:58:46,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae62e5f34/a48afc7632ed4d83a0c98ad7c85faaa1/FLAG838897a9d [2021-11-05 12:58:47,171 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 12:58:47,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2021-11-05 12:58:47,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae62e5f34/a48afc7632ed4d83a0c98ad7c85faaa1/FLAG838897a9d [2021-11-05 12:58:47,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae62e5f34/a48afc7632ed4d83a0c98ad7c85faaa1 [2021-11-05 12:58:47,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 12:58:47,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 12:58:47,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 12:58:47,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 12:58:47,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 12:58:47,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:58:47" (1/1) ... [2021-11-05 12:58:47,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ed4c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:47, skipping insertion in model container [2021-11-05 12:58:47,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:58:47" (1/1) ... [2021-11-05 12:58:47,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 12:58:47,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 12:58:47,957 WARN L228 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_table_create_harness.i[4495,4508] [2021-11-05 12:58:47,965 WARN L228 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_table_create_harness.i[4555,4568] [2021-11-05 12:58:47,990 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 12:58:47,996 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 12:58:48,521 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,530 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,531 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,541 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:48,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 12:58:48,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 12:58:48,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 12:58:48,769 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 12:58:48,769 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 12:58:48,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 12:58:48,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 12:58:48,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 12:58:48,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 12:58:48,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 12:58:48,886 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 12:58:49,205 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,206 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,241 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,242 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,264 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,265 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,266 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,267 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,267 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,267 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,268 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 12:58:49,336 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 12:58:49,355 WARN L228 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_table_create_harness.i[4495,4508] [2021-11-05 12:58:49,356 WARN L228 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_table_create_harness.i[4555,4568] [2021-11-05 12:58:49,358 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 12:58:49,359 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 12:58:49,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,397 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,405 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,406 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,406 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,410 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,410 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,410 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,439 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 12:58:49,439 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 12:58:49,440 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 12:58:49,440 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 12:58:49,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 12:58:49,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 12:58:49,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 12:58:49,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 12:58:49,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 12:58:49,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 12:58:49,465 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 12:58:49,537 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,538 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,556 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,557 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:58:49,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 12:58:49,902 INFO L208 MainTranslator]: Completed translation [2021-11-05 12:58:49,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49 WrapperNode [2021-11-05 12:58:49,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 12:58:49,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 12:58:49,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 12:58:49,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 12:58:49,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 12:58:50,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 12:58:50,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 12:58:50,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 12:58:50,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 12:58:50,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 12:58:50,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 12:58:50,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 12:58:50,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (1/1) ... [2021-11-05 12:58:50,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 12:58:50,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:58:50,329 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) [2021-11-05 12:58:50,371 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 [2021-11-05 12:58:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-05 12:58:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 12:58:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 12:58:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 12:58:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 12:58:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 12:58:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-05 12:58:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-05 12:58:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 12:58:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !true; [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume !true; [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !true; [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !true; [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !true; [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !true; [2021-11-05 12:58:58,681 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !true; [2021-11-05 12:58:58,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 12:58:58,689 INFO L299 CfgBuilder]: Removed 384 assume(true) statements. [2021-11-05 12:58:58,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:58:58 BoogieIcfgContainer [2021-11-05 12:58:58,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 12:58:58,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 12:58:58,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 12:58:58,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 12:58:58,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 12:58:47" (1/3) ... [2021-11-05 12:58:58,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61abbdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:58:58, skipping insertion in model container [2021-11-05 12:58:58,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:58:49" (2/3) ... [2021-11-05 12:58:58,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61abbdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:58:58, skipping insertion in model container [2021-11-05 12:58:58,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:58:58" (3/3) ... [2021-11-05 12:58:58,702 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2021-11-05 12:58:58,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 12:58:58,706 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2021-11-05 12:58:58,750 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 12:58:58,754 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 [2021-11-05 12:58:58,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-11-05 12:58:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 410 states, 388 states have (on average 1.440721649484536) internal successors, (559), 409 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:58:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 12:58:58,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:58:58,775 INFO L514 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] [2021-11-05 12:58:58,776 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:58:58,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:58:58,780 INFO L85 PathProgramCache]: Analyzing trace with hash -714573874, now seen corresponding path program 1 times [2021-11-05 12:58:58,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:58:58,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351745195] [2021-11-05 12:58:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:58:58,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:58:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:58:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:58:59,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:58:59,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351745195] [2021-11-05 12:58:59,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351745195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:58:59,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:58:59,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 12:58:59,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886703484] [2021-11-05 12:58:59,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:58:59,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 12:58:59,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:58:59,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 12:58:59,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 12:58:59,328 INFO L87 Difference]: Start difference. First operand has 410 states, 388 states have (on average 1.440721649484536) internal successors, (559), 409 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:58:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:58:59,399 INFO L93 Difference]: Finished difference Result 814 states and 1111 transitions. [2021-11-05 12:58:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 12:58:59,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-05 12:58:59,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:58:59,412 INFO L225 Difference]: With dead ends: 814 [2021-11-05 12:58:59,412 INFO L226 Difference]: Without dead ends: 401 [2021-11-05 12:58:59,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 12:58:59,423 INFO L933 BasicCegarLoop]: 496 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.45ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 12:58:59,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 5.45ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 12:58:59,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-11-05 12:58:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-11-05 12:58:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 380 states have (on average 1.2815789473684212) internal successors, (487), 400 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:58:59,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 487 transitions. [2021-11-05 12:58:59,484 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 487 transitions. Word has length 47 [2021-11-05 12:58:59,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:58:59,485 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 487 transitions. [2021-11-05 12:58:59,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:58:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 487 transitions. [2021-11-05 12:58:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 12:58:59,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:58:59,487 INFO L514 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] [2021-11-05 12:58:59,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 12:58:59,487 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:58:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:58:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1373789074, now seen corresponding path program 1 times [2021-11-05 12:58:59,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:58:59,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343096229] [2021-11-05 12:58:59,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:58:59,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:58:59,592 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:58:59,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989164024] [2021-11-05 12:58:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:58:59,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:58:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:58:59,608 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) [2021-11-05 12:58:59,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 12:59:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:00,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 2548 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 12:59:00,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 12:59:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:00,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 12:59:00,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:00,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343096229] [2021-11-05 12:59:00,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 12:59:00,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989164024] [2021-11-05 12:59:00,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989164024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:00,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:00,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 12:59:00,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629584568] [2021-11-05 12:59:00,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:00,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 12:59:00,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:00,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 12:59:00,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:00,589 INFO L87 Difference]: Start difference. First operand 401 states and 487 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:00,947 INFO L93 Difference]: Finished difference Result 1153 states and 1402 transitions. [2021-11-05 12:59:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 12:59:00,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-05 12:59:00,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:00,951 INFO L225 Difference]: With dead ends: 1153 [2021-11-05 12:59:00,951 INFO L226 Difference]: Without dead ends: 774 [2021-11-05 12:59:00,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 83.64ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 12:59:00,953 INFO L933 BasicCegarLoop]: 853 mSDtfsCounter, 887 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 184.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 2641 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.08ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 256.74ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:00,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 2641 Invalid, 76 Unknown, 0 Unchecked, 22.08ms Time], IncrementalHoareTripleChecker [14 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 256.74ms Time] [2021-11-05 12:59:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2021-11-05 12:59:00,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 407. [2021-11-05 12:59:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 386 states have (on average 1.2772020725388602) internal successors, (493), 406 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 493 transitions. [2021-11-05 12:59:00,983 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 493 transitions. Word has length 47 [2021-11-05 12:59:00,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:00,984 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 493 transitions. [2021-11-05 12:59:00,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 493 transitions. [2021-11-05 12:59:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-05 12:59:00,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:00,985 INFO L514 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] [2021-11-05 12:59:01,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 12:59:01,207 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 [2021-11-05 12:59:01,207 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:01,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:01,208 INFO L85 PathProgramCache]: Analyzing trace with hash 882870646, now seen corresponding path program 1 times [2021-11-05 12:59:01,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:01,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293562806] [2021-11-05 12:59:01,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:01,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:01,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:01,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293562806] [2021-11-05 12:59:01,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293562806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:01,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:01,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 12:59:01,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686756381] [2021-11-05 12:59:01,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:01,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 12:59:01,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 12:59:01,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:01,585 INFO L87 Difference]: Start difference. First operand 407 states and 493 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:02,184 INFO L93 Difference]: Finished difference Result 979 states and 1186 transitions. [2021-11-05 12:59:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 12:59:02,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-05 12:59:02,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:02,187 INFO L225 Difference]: With dead ends: 979 [2021-11-05 12:59:02,187 INFO L226 Difference]: Without dead ends: 621 [2021-11-05 12:59:02,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.24ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:02,188 INFO L933 BasicCegarLoop]: 685 mSDtfsCounter, 256 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 493.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.91ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 543.86ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:02,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 1728 Invalid, 167 Unknown, 0 Unchecked, 5.91ms Time], IncrementalHoareTripleChecker [20 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 543.86ms Time] [2021-11-05 12:59:02,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-11-05 12:59:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 407. [2021-11-05 12:59:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 386 states have (on average 1.2642487046632125) internal successors, (488), 406 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 488 transitions. [2021-11-05 12:59:02,197 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 488 transitions. Word has length 49 [2021-11-05 12:59:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:02,197 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 488 transitions. [2021-11-05 12:59:02,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 488 transitions. [2021-11-05 12:59:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-05 12:59:02,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:02,198 INFO L514 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] [2021-11-05 12:59:02,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 12:59:02,199 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:02,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:02,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1130342015, now seen corresponding path program 1 times [2021-11-05 12:59:02,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:02,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662409681] [2021-11-05 12:59:02,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:02,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:02,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:02,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662409681] [2021-11-05 12:59:02,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662409681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:02,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:02,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 12:59:02,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569026449] [2021-11-05 12:59:02,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:02,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 12:59:02,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:02,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 12:59:02,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 12:59:02,508 INFO L87 Difference]: Start difference. First operand 407 states and 488 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:02,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:02,698 INFO L93 Difference]: Finished difference Result 407 states and 488 transitions. [2021-11-05 12:59:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 12:59:02,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-05 12:59:02,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:02,700 INFO L225 Difference]: With dead ends: 407 [2021-11-05 12:59:02,700 INFO L226 Difference]: Without dead ends: 405 [2021-11-05 12:59:02,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 12:59:02,701 INFO L933 BasicCegarLoop]: 479 mSDtfsCounter, 7 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 160.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.95ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:02,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 893 Invalid, 59 Unknown, 0 Unchecked, 2.04ms Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 176.95ms Time] [2021-11-05 12:59:02,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-11-05 12:59:02,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2021-11-05 12:59:02,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 385 states have (on average 1.2623376623376623) internal successors, (486), 404 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 486 transitions. [2021-11-05 12:59:02,708 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 486 transitions. Word has length 50 [2021-11-05 12:59:02,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:02,709 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 486 transitions. [2021-11-05 12:59:02,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 486 transitions. [2021-11-05 12:59:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 12:59:02,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:02,710 INFO L514 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] [2021-11-05 12:59:02,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 12:59:02,710 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:02,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:02,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1166493950, now seen corresponding path program 1 times [2021-11-05 12:59:02,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:02,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426720533] [2021-11-05 12:59:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:02,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:03,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:03,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426720533] [2021-11-05 12:59:03,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426720533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:03,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:03,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 12:59:03,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471315932] [2021-11-05 12:59:03,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:03,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 12:59:03,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:03,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 12:59:03,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:03,110 INFO L87 Difference]: Start difference. First operand 405 states and 486 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:03,557 INFO L93 Difference]: Finished difference Result 927 states and 1136 transitions. [2021-11-05 12:59:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 12:59:03,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-05 12:59:03,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:03,561 INFO L225 Difference]: With dead ends: 927 [2021-11-05 12:59:03,561 INFO L226 Difference]: Without dead ends: 925 [2021-11-05 12:59:03,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 75.97ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:03,562 INFO L933 BasicCegarLoop]: 876 mSDtfsCounter, 900 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 347.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 382.61ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:03,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 2088 Invalid, 125 Unknown, 0 Unchecked, 5.96ms Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 382.61ms Time] [2021-11-05 12:59:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-11-05 12:59:03,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 407. [2021-11-05 12:59:03,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 387 states have (on average 1.2609819121447028) internal successors, (488), 406 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 488 transitions. [2021-11-05 12:59:03,570 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 488 transitions. Word has length 57 [2021-11-05 12:59:03,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:03,571 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 488 transitions. [2021-11-05 12:59:03,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 488 transitions. [2021-11-05 12:59:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 12:59:03,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:03,572 INFO L514 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] [2021-11-05 12:59:03,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 12:59:03,572 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:03,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:03,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1166434368, now seen corresponding path program 1 times [2021-11-05 12:59:03,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:03,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025234447] [2021-11-05 12:59:03,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:03,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:03,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:03,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025234447] [2021-11-05 12:59:03,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025234447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:03,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:03,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 12:59:03,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830987205] [2021-11-05 12:59:03,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:03,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 12:59:03,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:03,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 12:59:03,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:03,952 INFO L87 Difference]: Start difference. First operand 407 states and 488 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:04,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:04,385 INFO L93 Difference]: Finished difference Result 924 states and 1133 transitions. [2021-11-05 12:59:04,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 12:59:04,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-05 12:59:04,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:04,391 INFO L225 Difference]: With dead ends: 924 [2021-11-05 12:59:04,391 INFO L226 Difference]: Without dead ends: 922 [2021-11-05 12:59:04,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:04,392 INFO L933 BasicCegarLoop]: 874 mSDtfsCounter, 900 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 327.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.71ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 368.50ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:04,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 2081 Invalid, 120 Unknown, 0 Unchecked, 5.71ms Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 368.50ms Time] [2021-11-05 12:59:04,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2021-11-05 12:59:04,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 403. [2021-11-05 12:59:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 384 states have (on average 1.2604166666666667) internal successors, (484), 402 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:04,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 484 transitions. [2021-11-05 12:59:04,405 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 484 transitions. Word has length 57 [2021-11-05 12:59:04,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:04,405 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 484 transitions. [2021-11-05 12:59:04,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:04,405 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 484 transitions. [2021-11-05 12:59:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-05 12:59:04,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:04,409 INFO L514 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, 1, 1, 1] [2021-11-05 12:59:04,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 12:59:04,409 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:04,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1790035597, now seen corresponding path program 1 times [2021-11-05 12:59:04,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:04,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700953254] [2021-11-05 12:59:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:04,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:04,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:04,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700953254] [2021-11-05 12:59:04,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700953254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:04,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:04,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 12:59:04,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928940760] [2021-11-05 12:59:04,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:04,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 12:59:04,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:04,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 12:59:04,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:04,712 INFO L87 Difference]: Start difference. First operand 403 states and 484 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:04,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:04,876 INFO L93 Difference]: Finished difference Result 1083 states and 1305 transitions. [2021-11-05 12:59:04,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 12:59:04,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-05 12:59:04,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:04,880 INFO L225 Difference]: With dead ends: 1083 [2021-11-05 12:59:04,880 INFO L226 Difference]: Without dead ends: 752 [2021-11-05 12:59:04,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 124.85ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 12:59:04,882 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1614 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.11ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:04,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1614 Valid, 1469 Invalid, 19 Unknown, 0 Unchecked, 3.60ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 63.11ms Time] [2021-11-05 12:59:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-11-05 12:59:04,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 421. [2021-11-05 12:59:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 402 states have (on average 1.2537313432835822) internal successors, (504), 420 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 504 transitions. [2021-11-05 12:59:04,894 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 504 transitions. Word has length 63 [2021-11-05 12:59:04,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:04,894 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 504 transitions. [2021-11-05 12:59:04,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 504 transitions. [2021-11-05 12:59:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-05 12:59:04,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:04,895 INFO L514 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, 1, 1, 1] [2021-11-05 12:59:04,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 12:59:04,896 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:04,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:04,896 INFO L85 PathProgramCache]: Analyzing trace with hash 778918347, now seen corresponding path program 1 times [2021-11-05 12:59:04,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:04,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941189346] [2021-11-05 12:59:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:04,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:05,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:05,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941189346] [2021-11-05 12:59:05,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941189346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:05,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:05,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 12:59:05,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717753809] [2021-11-05 12:59:05,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:05,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 12:59:05,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 12:59:05,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 12:59:05,355 INFO L87 Difference]: Start difference. First operand 421 states and 504 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:05,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:05,957 INFO L93 Difference]: Finished difference Result 1267 states and 1538 transitions. [2021-11-05 12:59:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 12:59:05,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-05 12:59:05,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:05,963 INFO L225 Difference]: With dead ends: 1267 [2021-11-05 12:59:05,963 INFO L226 Difference]: Without dead ends: 948 [2021-11-05 12:59:05,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 415.37ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-11-05 12:59:05,965 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 2072 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 280.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 301.32ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:05,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2072 Valid, 2686 Invalid, 50 Unknown, 0 Unchecked, 6.34ms Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 301.32ms Time] [2021-11-05 12:59:05,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2021-11-05 12:59:05,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 435. [2021-11-05 12:59:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 416 states have (on average 1.2548076923076923) internal successors, (522), 434 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 522 transitions. [2021-11-05 12:59:05,981 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 522 transitions. Word has length 63 [2021-11-05 12:59:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:05,981 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 522 transitions. [2021-11-05 12:59:05,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 522 transitions. [2021-11-05 12:59:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 12:59:05,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:05,982 INFO L514 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, 1, 1, 1, 1, 1] [2021-11-05 12:59:05,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 12:59:05,982 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:05,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:05,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2077020756, now seen corresponding path program 1 times [2021-11-05 12:59:05,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:05,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677036546] [2021-11-05 12:59:05,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:05,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:06,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:06,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677036546] [2021-11-05 12:59:06,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677036546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:06,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:06,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-05 12:59:06,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595136786] [2021-11-05 12:59:06,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:06,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 12:59:06,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:06,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 12:59:06,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-05 12:59:06,513 INFO L87 Difference]: Start difference. First operand 435 states and 522 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:08,706 INFO L93 Difference]: Finished difference Result 1385 states and 1681 transitions. [2021-11-05 12:59:08,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-05 12:59:08,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-05 12:59:08,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:08,709 INFO L225 Difference]: With dead ends: 1385 [2021-11-05 12:59:08,709 INFO L226 Difference]: Without dead ends: 1105 [2021-11-05 12:59:08,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1187.91ms TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2021-11-05 12:59:08,710 INFO L933 BasicCegarLoop]: 805 mSDtfsCounter, 3019 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1033.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3019 SdHoareTripleChecker+Valid, 2979 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.32ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1141.64ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:08,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3019 Valid, 2979 Invalid, 271 Unknown, 0 Unchecked, 9.32ms Time], IncrementalHoareTripleChecker [34 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1141.64ms Time] [2021-11-05 12:59:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-11-05 12:59:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 435. [2021-11-05 12:59:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 416 states have (on average 1.2524038461538463) internal successors, (521), 434 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 521 transitions. [2021-11-05 12:59:08,765 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 521 transitions. Word has length 65 [2021-11-05 12:59:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:08,766 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 521 transitions. [2021-11-05 12:59:08,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 521 transitions. [2021-11-05 12:59:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 12:59:08,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:08,767 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-11-05 12:59:08,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 12:59:08,767 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:08,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 887585029, now seen corresponding path program 1 times [2021-11-05 12:59:08,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:08,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506954479] [2021-11-05 12:59:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:08,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:09,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:09,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506954479] [2021-11-05 12:59:09,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506954479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:09,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:09,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 12:59:09,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718954439] [2021-11-05 12:59:09,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:09,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 12:59:09,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:09,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 12:59:09,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:09,055 INFO L87 Difference]: Start difference. First operand 435 states and 521 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:09,148 INFO L93 Difference]: Finished difference Result 769 states and 922 transitions. [2021-11-05 12:59:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 12:59:09,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-05 12:59:09,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:09,151 INFO L225 Difference]: With dead ends: 769 [2021-11-05 12:59:09,151 INFO L226 Difference]: Without dead ends: 722 [2021-11-05 12:59:09,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.01ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:09,152 INFO L933 BasicCegarLoop]: 525 mSDtfsCounter, 592 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.89ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:09,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [592 Valid, 1559 Invalid, 13 Unknown, 0 Unchecked, 1.01ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 37.89ms Time] [2021-11-05 12:59:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-11-05 12:59:09,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 437. [2021-11-05 12:59:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 418 states have (on average 1.2511961722488039) internal successors, (523), 436 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 523 transitions. [2021-11-05 12:59:09,170 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 523 transitions. Word has length 66 [2021-11-05 12:59:09,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:09,171 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 523 transitions. [2021-11-05 12:59:09,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 523 transitions. [2021-11-05 12:59:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 12:59:09,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:09,172 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-11-05 12:59:09,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 12:59:09,172 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:09,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash -35081086, now seen corresponding path program 1 times [2021-11-05 12:59:09,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:09,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33703695] [2021-11-05 12:59:09,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:09,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:11,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:11,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33703695] [2021-11-05 12:59:11,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33703695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:11,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:11,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-05 12:59:11,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284657454] [2021-11-05 12:59:11,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:11,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-05 12:59:11,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-05 12:59:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-11-05 12:59:11,236 INFO L87 Difference]: Start difference. First operand 437 states and 523 transitions. Second operand has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:13,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:15,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:17,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:19,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:21,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:23,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:26,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:28,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:30,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:32,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:49,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:49,987 INFO L93 Difference]: Finished difference Result 1104 states and 1325 transitions. [2021-11-05 12:59:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-05 12:59:49,988 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-05 12:59:49,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:49,989 INFO L225 Difference]: With dead ends: 1104 [2021-11-05 12:59:49,990 INFO L226 Difference]: Without dead ends: 705 [2021-11-05 12:59:49,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 6314.06ms TimeCoverageRelationStatistics Valid=225, Invalid=1181, Unknown=0, NotChecked=0, Total=1406 [2021-11-05 12:59:49,991 INFO L933 BasicCegarLoop]: 643 mSDtfsCounter, 638 mSDsluCounter, 7793 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 60 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31144.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 8436 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.22ms SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33298.89ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:49,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [638 Valid, 8436 Invalid, 1847 Unknown, 0 Unchecked, 24.22ms Time], IncrementalHoareTripleChecker [60 Valid, 1777 Invalid, 10 Unknown, 0 Unchecked, 33298.89ms Time] [2021-11-05 12:59:49,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2021-11-05 12:59:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 439. [2021-11-05 12:59:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 420 states have (on average 1.25) internal successors, (525), 438 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 525 transitions. [2021-11-05 12:59:50,010 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 525 transitions. Word has length 66 [2021-11-05 12:59:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:50,010 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 525 transitions. [2021-11-05 12:59:50,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 19 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 525 transitions. [2021-11-05 12:59:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 12:59:50,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:50,011 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-11-05 12:59:50,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 12:59:50,012 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:50,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:50,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2084468928, now seen corresponding path program 1 times [2021-11-05 12:59:50,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:50,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729694124] [2021-11-05 12:59:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:50,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:50,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:50,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729694124] [2021-11-05 12:59:50,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729694124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:50,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:50,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 12:59:50,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605215063] [2021-11-05 12:59:50,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:50,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 12:59:50,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:50,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 12:59:50,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:50,167 INFO L87 Difference]: Start difference. First operand 439 states and 525 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:50,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:50,272 INFO L93 Difference]: Finished difference Result 841 states and 1007 transitions. [2021-11-05 12:59:50,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 12:59:50,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-05 12:59:50,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:50,274 INFO L225 Difference]: With dead ends: 841 [2021-11-05 12:59:50,274 INFO L226 Difference]: Without dead ends: 437 [2021-11-05 12:59:50,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.92ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:50,275 INFO L933 BasicCegarLoop]: 462 mSDtfsCounter, 450 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.90ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.66ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:50,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [450 Valid, 920 Invalid, 31 Unknown, 0 Unchecked, 0.90ms Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 84.66ms Time] [2021-11-05 12:59:50,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-11-05 12:59:50,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2021-11-05 12:59:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 418 states have (on average 1.244019138755981) internal successors, (520), 436 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 520 transitions. [2021-11-05 12:59:50,293 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 520 transitions. Word has length 66 [2021-11-05 12:59:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:50,293 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 520 transitions. [2021-11-05 12:59:50,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 520 transitions. [2021-11-05 12:59:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-05 12:59:50,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:50,294 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 12:59:50,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 12:59:50,294 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:50,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash 101777543, now seen corresponding path program 1 times [2021-11-05 12:59:50,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:50,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423489664] [2021-11-05 12:59:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:50,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:50,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:50,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423489664] [2021-11-05 12:59:50,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423489664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:50,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:50,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 12:59:50,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966793895] [2021-11-05 12:59:50,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:50,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 12:59:50,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:50,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 12:59:50,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:50,523 INFO L87 Difference]: Start difference. First operand 437 states and 520 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:52,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:54,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 12:59:56,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:56,497 INFO L93 Difference]: Finished difference Result 1024 states and 1225 transitions. [2021-11-05 12:59:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 12:59:56,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-05 12:59:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:56,507 INFO L225 Difference]: With dead ends: 1024 [2021-11-05 12:59:56,507 INFO L226 Difference]: Without dead ends: 624 [2021-11-05 12:59:56,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 240.13ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 12:59:56,508 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 429 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 21 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5262.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1568 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.85ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5758.63ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:56,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1568 Invalid, 228 Unknown, 0 Unchecked, 2.85ms Time], IncrementalHoareTripleChecker [21 Valid, 205 Invalid, 2 Unknown, 0 Unchecked, 5758.63ms Time] [2021-11-05 12:59:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2021-11-05 12:59:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 437. [2021-11-05 12:59:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 418 states have (on average 1.2392344497607655) internal successors, (518), 436 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 518 transitions. [2021-11-05 12:59:56,566 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 518 transitions. Word has length 68 [2021-11-05 12:59:56,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:56,566 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 518 transitions. [2021-11-05 12:59:56,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 518 transitions. [2021-11-05 12:59:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-05 12:59:56,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:56,567 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 12:59:56,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 12:59:56,568 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:56,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:56,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1549707702, now seen corresponding path program 1 times [2021-11-05 12:59:56,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:56,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344132996] [2021-11-05 12:59:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:56,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:59:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:59:58,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:59:58,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344132996] [2021-11-05 12:59:58,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344132996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:59:58,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:59:58,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 12:59:58,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129742261] [2021-11-05 12:59:58,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:59:58,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 12:59:58,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:59:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 12:59:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 12:59:58,173 INFO L87 Difference]: Start difference. First operand 437 states and 518 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:58,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:59:58,513 INFO L93 Difference]: Finished difference Result 1011 states and 1199 transitions. [2021-11-05 12:59:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 12:59:58,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-05 12:59:58,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:59:58,516 INFO L225 Difference]: With dead ends: 1011 [2021-11-05 12:59:58,516 INFO L226 Difference]: Without dead ends: 599 [2021-11-05 12:59:58,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.84ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:59:58,517 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 193 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 247.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 272.48ms IncrementalHoareTripleChecker+Time [2021-11-05 12:59:58,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 1525 Invalid, 76 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 272.48ms Time] [2021-11-05 12:59:58,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-11-05 12:59:58,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 434. [2021-11-05 12:59:58,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 415 states have (on average 1.236144578313253) internal successors, (513), 433 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:58,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 513 transitions. [2021-11-05 12:59:58,536 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 513 transitions. Word has length 69 [2021-11-05 12:59:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:59:58,536 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 513 transitions. [2021-11-05 12:59:58,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:59:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 513 transitions. [2021-11-05 12:59:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-05 12:59:58,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:59:58,537 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 12:59:58,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-05 12:59:58,537 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-05 12:59:58,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:59:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1770425789, now seen corresponding path program 1 times [2021-11-05 12:59:58,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:59:58,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246830704] [2021-11-05 12:59:58,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:58,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:59:58,588 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:59:58,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714968207] [2021-11-05 12:59:58,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:59:58,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:59:58,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:59:58,610 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) [2021-11-05 12:59:58,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Killed by 15